1.  derivation(n = noun.location) - the source or origin from which something derives (i.e. comes or issues); "he prefers shoes of Italian derivation"; "music of Turkish derivation"
is a kind of beginning, origin, root, rootage, source
Derived forms verb derive₄, verb derive₃, verb derive₅

2.  derivation(n = noun.communication) deriving, etymologizing - (historical linguistics) an explanation of the historical origins of a word or phrase;
is a kind of account, explanation
Derived form verb derive₃

3.  derivation(n = noun.cognition) - a line of reasoning that shows how a conclusion follows logically from accepted propositions;
is a kind of illation, inference
Derived form verb derive₁

4.  derivation(n = noun.process) - (descriptive linguistics) the process whereby new words are formed from existing words or bases by affixation; "`singer' from `sing' or `undo' from `do' are examples of derivations"
is a kind of linguistic process
has particulars: eponymy
Derived form verb derive₃

5.  derivation(n = noun.attribute) ancestry, filiation, lineage - inherited properties shared with others of your bloodline;
is a kind of hereditary pattern, inheritance
has particulars: descent, extraction, origin, bloodline, pedigree
Derived form verb derive₅

6.  derivation(n = noun.act) - drawing of fluid or inflammation away from a diseased part of the body;
is a kind of drawing, drawing off

7.  derivation(n = noun.act) - drawing off water from its main channel as for irrigation;
is a kind of drawing, drawing off

8.  derivation(n = noun.act) - the act of deriving something or obtaining something from a source or origin;
is a kind of act, deed, human action, human activity

derivation, n.
1 the act or an instance of deriving or obtaining from a source; the process of being derived.
2 a the formation of a word from another word or from a root. b a derivative. c the tracing of the origin of a word. d a statement or account of this.
3 extraction, descent.
4 Math. a sequence of statements showing that a formula, theorem, etc., is a consequence of previously accepted statements.

Derivative:
derivational adj.

Etymology:
F d{eacute}rivation or L derivatio (as DERIVE)

N  word, term, vocable, name, phrase, root, etymon, derivative, part of speech, ideophone, dictionary, vocabulary, lexicon, glossary, index, concordance, thesaurus, gradus, delectus, etymology, derivation, glossology, terminology orismology, paleology, lexicography, glossographer, lexicologist, verbarian, verbal, literal, titular, nominal, conjugate, paronymous, derivative, verbally, verbatim, the artillery of words.

N  copy, facsimile, counterpart, effigies, effigy, form, likeness, image, picture, photo, xerox, similitude, semblance, ectype, photo offset, electrotype, imitation, model, representation, adumbration, study, portrait, resemblance, duplicate, reproduction, cast, tracing, reflex, reflexion, reflection, shadow, echo, transcript, transcription, recording, scan, chip off the old block, reprint, new printing, rechauffe, apograph, fair copy, parody, caricature, burlesque, travesty, travestie, paraphrase, derivative, derivation, modification, expansion, extension, revision, second edition, servile copy, servile imitation, plagiarism, counterfeit, fake, pasticcio, faithful, lifelike, close, conscientious, unoriginal, imitative, derivative.

N  cause, origin, source, principle, element, occasioner, prime mover, primum mobile, vera causa, author, mainspring, agent, leaven, groundwork, foundation, spring, fountain, well, font, fountainhead, spring head, wellhead, fons et origo, genesis, descent, remote cause, influence, pivot, hinge, turning point, lever, crux, fulcrum, key, proximate cause, causa causans, straw that breaks the camel's back, ground, reason, reason why, why and wherefore, rationale, occasion, derivation, final cause, les dessous des cartes, undercurrents, rudiment, egg, germ, embryo, bud, root, radix radical, etymon, nucleus, seed, stem, stock, stirps, trunk, tap-root, gemmule, radicle, semen, sperm, nest, cradle, nursery, womb, nidus, birthplace, hotbed, causality, causation, origination, production, caused, causal, original, primary, primitive, primordial, aboriginal, protogenal, radical, embryonic, embryotic, in embryo, in ovo, seminal, germinal, at the bottom of, connate, having a common origin, because, behind the scenes, causa latet vis est notissima, felix qui potuit rerum cognoscere causas.

N  effect, consequence, aftergrowth, aftercome, derivative, derivation, result, resultant, resultance, upshot, issue, denouement, end, development, outgrowth, fruit, crop, harvest, product, bud, production, produce, work, handiwork, fabric, performance, creature, creation, offspring, offshoot, firstfruits, firstlings, heredity, telegony, premices premises, owing to, resulting from, derivable from, due to, caused by, dependent upon, derived from, evolved from, derivative, hereditary, telegonous, of course, it follows that, naturally, consequently, as a consequence, in consequence, through, all along of, necessarily, eventually, cela va sans dire, thereby hangs a tale.