Word Study
namesake
CIDE DICTIONARY
namesake, n. [For name's sake; i. e. , one named for the sake of another's name.].
One that has the same name as another; especially, one called after, or named out of regard to, another. [1913 Webster]
OXFORD DICTIONARY
namesake, n. a person or thing having the same name as another (was her aunt's namesake).
Etymology
prob. f. phr. for the name's sake
THESAURUS
namesake
appellation, appellative, binomen, binomial name, byword, cognomen, cryptonym, denomination, designation, empty title, epithet, eponym, euonym, handle, honorific, hyponym, label, moniker, name, nomen, nomen nudum, proper name, proper noun, scientific name, secret name, style, tag, tautonym, title, trinomen, trinomial nameROGET THESAURUS
namesake
Nomenclature
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.For further exploring for "namesake" in Webster Dictionary Online