1.  teacher(n = noun.person) instructor - a person whose occupation is teaching;
is a kind of educator, pedagog, pedagogue
is a member of teacher-student relation
has particulars: art teacher, bahai, catechist, coach, private instructor, tutor, dance master, dancing-master, demonstrator, docent, english professor, english teacher, french teacher, governess, instructress, math teacher, mathematics teacher, missionary, music teacher, don, preceptor, reading teacher, riding master, school teacher, schoolteacher, science teacher, section man, teaching fellow
Derived forms verb teach₂, verb teach₁, noun teachership₁

2.  teacher(n = noun.cognition) - a personified abstraction that teaches; "books were his teachers"; "experience is a demanding teacher"
is a kind of abstract, abstraction
Derived forms verb teach₂, verb teach₁

1.  One who teaches or instructs; one whose business or occupation is to instruct others; an instructor; a tutor. [1913 Webster]

2.  One who instructs others in religion; a preacher; a minister of the gospel; sometimes, one who preaches without regular ordination. [1913 Webster]
"The teachers in all the churches assembled." [1913 Webster]

teacher, n. a person who teaches, esp. in a school.

Derivative:
teacherly adj.

N  advice, counsel, adhortation, word to the wise, suggestion, submonition, recommendation, advocacy, advisement, exhortation, expostulation, admonition, guidance, instruction, charge, injunction, obtestation, Governor's message, President's message, King's message, Queen's speech, message, speech from the throne, adviser, prompter, counsel, counselor, monitor, mentor, Nestor, magnus Apollo, senator, teacher, guide, manual, chart, physician, doctor, leech, archiater, arbiter, reference, referment, consultation, conference, pourparler, recommendatory, hortative, dehortatory, admonitory, Int, go to!, give every man thine ear but few thy voice, I pray thee cease thy counsel, my guide, philosopher, and friend, 'twas good advice and meant, my son be good, verbum sat sapienti, a word to the wise is sufficient, vive memor leti, we, ask advice but we mean approbation.

N  teacher, trainer, instructor, institutor, master, tutor, director, Corypheus, dry nurse, coach, grinder, crammer, don, governor, bear leader, governess, duenna, disciplinarian, professor, lecturer, reader, prelector, prolocutor, preacher, chalk talker, khoja, pastor, schoolmaster, dominie, usher, pedagogue, abecedarian, schoolmistress, dame, monitor, pupil teacher, expositor, preceptor, guide, guru, mentor, pioneer, apostle, missionary, propagandist, munshi, example, professorship, tutelage, professorial, qui doet discet.

art teacher, english teacher, french teacher, geometry teacher, head teacher, math teacher, mathematics teacher, music teacher, piano teacher, practice teacher, reading teacher, school teacher, science teacher, student teacher

1.  certificate(n = noun.communication) certification, credential, credentials - a document attesting to the truth of certain stated facts;
is a kind of document, papers, written document
has particulars: certificate of incorporation, birth certificate, diploma, sheepskin, commission, military commission, bill of health, registration, teacher's certificate, teaching certificate, probate, probate will
Derived forms verb certificate₂, verb certificate₁, verb certify₄

2.  certificate(n = noun.possession) security - a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends; "he held several valuable securities"
is a kind of instrument, legal document, legal instrument, official document
has particulars: agency security, government security, mortgage-backed security, registered security, scrip, stock, stock certificate, tax-exempt, tax-exempt security, bond, bond certificate, zero-coupon security, zero coupon security, partnership certificate, proprietorship certificate, convertible, convertible security, letter security, listed security, otc security, over the counter security, unlisted security
Derived forms verb certificate₂, verb certificate₁, verb certify₂

1.  certificate(v = verb.possession) - present someone with a certificate;
is one way to award, present
Derived forms noun certificate₁, noun certificate₂
Sample sentences: Somebody ----s somebody

2.  certificate(v = verb.communication) - authorize by certificate;
is one way to authorise, authorize, clear, pass
Derived forms noun certificate₁, noun certificate₂
Sample sentences: Somebody ----s something; Somebody ----s that CLAUSE

1.  A written testimony to the truth of any fact; as, certificate of good behavior. [1913 Webster]

2.  A written declaration legally authenticated. [1913 Webster]

1.  To verify or vouch for by certificate. [1913 Webster]

2.  To furnish with a certificate; as, to certificate the captain of a vessel; a certificated teacher. [1913 Webster]

certificate, n. & v.
--n. a formal document attesting a fact, esp. birth, marriage, or death, a medical condition, a level of achievement, a fulfilment of requirements, ownership of shares, etc.
--v.tr. (esp. as certificated adj.) provide with or license or attest by a certificate.

Idiom:
Certificate of Secondary Education hist.
1 an examination set for secondary-school pupils in England and Wales.
2 the certificate gained by passing it.

Usage:
Replaced in 1988 by the General Certificate of Secondary Education.

Derivative:
certification n.

Etymology:
F certificat or med.L certificatum f. certificare: see CERTIFY

N  security, guaranty, guarantee, gage, warranty, bond, tie, pledge, plight, mortgage, collateral, debenture, hypothecation, bill of sale, lien, pawn, pignoration, real security, vadium, stake, deposit, earnest, handsel, caution, promissory note, bill, bill of exchange, I, O, U, personal security, covenant, specialty, parole, acceptance, indorsement, signature, execution, stamp, seal, sponsor, cosponsor, sponsion, sponsorship, surety, bail, mainpernor, hostage, godchild, godfather, godmother, recognizance, deed of indemnity, covenant of indemnity, authentication, verification, warrant, certificate, voucher, docket, doquet, record, probate, attested copy, receipt, acquittance, quittance, discharge, release, muniment, title deed, instrument, deed, deed poll, assurance, indenture, charter, charter poll, paper, parchment, settlement, will, testament, last will and testament, codicil, bonis avibus, gone where the woodbine twineth.

N  evidence, facts, premises, data, praecognita, grounds, indication, criterion, testimony, testification, expert testimony, attestation, deposition, examination, admission, authority, warrant, credential, diploma, voucher, certificate, doquet, docket, testamur, record, document, pi ce justificative, deed, warranty, signature, seal, exhibit, material evidence, objective evidence, witness, indicator, hostile witness, eyewitness, earwitness, material witness, state's evidence, deponent, sponsor, cojuror, oral evidence, documentary evidence, hearsay evidence, external evidence, extrinsic evidence, internal evidence, intrinsic evidence, circumstantial evidence, cumulative evidence, ex parte evidence, presumptive evidence, collateral evidence, constructive evidence, proof, evidence in chief, secondary evidence, confirmation, corroboration, support, ratification, authentication, compurgation, wager of law, comprobation, citation, reference, legal research, literature search (experiment), showing, indicative, indicatory, deducible, grounded on, founded on, based on, corroborative, confirmatory, by inference, according to, witness, a fortiori, still more, still less, raison de plus, in corroboration, of, valeat quantum, under seal, under one's hand and seal, dictum de dicto, mise en evidence.

N  record, trace, vestige, relic, remains, scar, cicatrix, footstep, footmark, footprint, pug, track mark, wake, trail, scent, piste, monument, hatchment, slab, tablet, trophy, achievement, obelisk, pillar, column, monolith, memorial, memento, testimonial, medal, commemoration, record, note, minute, register, registry, roll, cartulary, diptych, Domesday book, catalogue raisonne, entry, memorandum, indorsement, inscription, copy, duplicate, docket, notch, muniment, deed, document, deposition, proces verbal, affidavit, certificate, notebook, memorandum book, memo book, pocketbook, commonplace book, portfolio, pigeonholes, excerpta, adversaria, jottings, dottings, gazette, gazetteer, newspaper, daily, magazine, almanac, almanack, calendar, ephemeris, diary, log, journal, daybook, ledger, cashbook, petty cashbook, professional journal, scientific literature, the literature, primary literature, secondary literature, article, review article, archive, scroll, state paper, return, blue book, statistics, compte rendu, Acts of, Transactions of, Proceedings of, Hansard's Debates, chronicle, annals, legend, history, biography, Congressional Records, registration, registry, enrollment, inrollment, tabulation, entry, booking, signature, recorder, journalism, recording, tape recording, videotape, compact disk, floppy disk, diskette, hard disk, Winchester disk, read-only memory, ROM, write once read mostly memory, WORM, on record, exegi monumentum aere perennium, read their history in a nation's eyes, records that defy the tooth of time.

birth certificate, bond certificate, certificate of deposit, certificate of incorporation, certificate of indebtedness, face-amount certificate company, partnership certificate, proprietorship certificate, receiver's certificate, silver certificate, stock certificate, tax certificate, teacher's certificate, teaching certificate