The Oxford Thesaurus An A-Z Dictionary of Synonyms - assumev.

1) accept, adopt, take, use, employ; arrogate, appropriate, take over or up, undertake: Who will assume the leadership of the party? 2 take on (oneself) , take upon (oneself) , put or try on, don, adopt; acquire: Whenever she delivered the information, she assumed the disguise of an old man. That trivial dispute has assumed gargantuan proportions. 3) presume, suppose, believe, fancy, expect, think, presuppose, take, take for granted, surmise, Chiefly US guess: When I saw the knife in his hand, I assumed the chef was going to slice a lemon. The king assumed he had the cooperation of Parliament. 4) pretend to, feign, sham, counterfeit, simulate, sham, affect, fake: Though she cared deeply, she assumed a devil-may-care attitude.