1.  designation(n = noun.communication) appellation, appellative, denomination - identifying word or words by which someone or something is called and classified or distinguished from others; Array
is a kind of name
has particulars: street name, byname, cognomen, moniker, nickname, sobriquet, soubriquet, form of address, title, title of respect, title
Derived form verb designate₁

2.  designation(n = noun.act) appointment, assignment, naming - the act of putting a person into a non-elective position; "the appointment had to be approved by the whole committee"
is a kind of conclusion, decision, determination
has particulars: nomination, co-optation, co-option, delegacy, ordinance, ordination, recognition
Derived form verb designate₂

3.  designation(n = noun.act) identification - the act of designating or identifying something; Array
is a kind of determination, finding
has particulars: diagnosing, diagnosis
Derived form verb designate₁

designation, n.
1 a name, description, or title.
2 the act or process of designating.

Etymology:
ME f. OF designation or L designatio (as DESIGNATE)

N  nomenclature, naming, nuncupation, nomination, baptism, orismology, onomatopoeia, antonomasia, name, appelation, appelative, designation, title, heading, rubric, caption, denomination, by-name, epithet, style, proper name, praenomen, agnomen, cognomen, patronymic, surname, cognomination, eponym, compellation, description, antonym, empty title, empty name, handle to one's name, namesake, term, expression, noun, byword, convertible terms, technical term, cant, named, hight, ycleped, known as, what one may well, call fairly, call properly, call fitly, nuncupatory, nuncupative, cognominal, titular, nominal, orismological, beggar'd all description.

N  class, division, category, categorema, head, order, section, department, subdepartment, province, domain, kind, sort, genus, species, variety, family, order, kingdom, race, tribe, caste, sept, clan, breed, type, subtype, kit, sect, set, subset, assortment, feather, kidney, suit, range, gender, sex, kin, manner, description, denomination, designation, rubric, character, stamp predicament, indication, particularization, selection, specification, similarity.

N  commission, delegation, consignment, assignment, procuration, deputation, legation, mission, embassy, agency, agentship, power of attorney, clerkship, surrogacy, errand, charge, brevet, diploma, exequatur, permit, appointment, nomination, designation, return, charter, ordination, installation, inauguration, investiture, swearing-in, accession, coronation, enthronement, vicegerency, regency, regentship, viceroy, consignee, deputy, agent, delegate, consignee, commissioned, per procurationem.