1. To take for granted as being true in the absence of proof to the contrary: We presumed she was innocent.
2. To constitute reasonable evidence for assuming; appear to prove: A signed hotel bill presumes occupancy of a room.
3. To venture without authority or permission; dare: He presumed to invite himself to dinner.
1. To act overconfidently; take liberties.
2. To take unwarranted advantage of something; go beyond the proper limits: Dont presume on their hospitality.
3. To take for granted that something is true or factual; suppose: Thats the new assistant, I presume.
[Middle English presumen, from Old French presumer, from Late Latin praesmere, from Latin, to anticipate : prae-, pre- + smere, to take; see em- in Indo-European roots.]
Synonyms: presume, presuppose, postulate, posit, assume These verbs signify to take something for granted or as being a fact. To presume is to suppose that something is reasonable or possible in the absence of proof to the contrary: I presume youre tired after the long ride (Edith Wharton). Presuppose can mean to believe or suppose in advance: It is unrealistic to presuppose a sophisticated knowledge of harmony in a beginning music student. Postulate and posit denote the assertion of the existence, reality, necessity, or truth of something as the basis for reasoning or argument: We can see individuals, but we cant see providence; we have to postulate it (Aldous Huxley). To assume is to accept something as existing or being true without proof or on inconclusive grounds: We must never assume that which is incapable of proof (G.H. Lewes).
presume /przum/ v.-sumed, -suming, -sumes1 [T] to suppose s.t. is true, assume: I presumed that my friend would be at home when I called but she wasnt.2 [I] to impose on s.o., take advantage of s.o.: She presumed on her fathers generosity by borrowing money from him and not repaying it.