- An example of presume is to believe in heaven even if there is no proof.
- An example of presume is to speak for another person without his or her knowledge or permission.
Presume is defined as to assume to be true without proof, or to dare to do something without permission.
transitive verb-·sumed′, -·sum′ing
- to take upon oneself without permission or authority; dare (to say or do something); venture
- to take for granted; accept as true, lacking proof to the contrary; suppose
- to constitute reasonable evidence for supposing: a signed invoice presumes receipt of goods
Origin of presumeMiddle English presumen from Old French presumer from Classical Latin praesumere from prae-, before (see pre-) + sumere, to take: see consume
- to act presumptuously; take liberties
- to rely too much (on or upon), as in taking liberties: to presume on another's friendship
- to take something for granted
verbpre·sumed, pre·sum·ing, pre·sumes
- To take for granted as being true in the absence of proof to the contrary: “I presume you're tired after the long ride” ( Edith Wharton )
- To constitute reasonable evidence for assuming; appear to prove: A signed hotel bill presumes occupancy of a room.
- To venture without authority or permission; dare: He presumed to invite himself to dinner.
- To take for granted that something is true or factual; make a supposition.
- To act presumptuously or take unwarranted advantage of something: Don't presume on their hospitality.
Origin of presumeMiddle English presumen from Old French presumer from Late Latin praesūmere from Latin to anticipate prae- pre- sūmere to take ; see em- in Indo-European roots.
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 you're 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 can't 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).
(third-person singular simple present presumes, present participle presuming, simple past and past participle presumed)
- (now rare) To perform, do (something) without authority; to lay claim to without permission. [from 14th c.]
- Don't make the decision yourself and presume too much.
- With infinitive object: to be so presumptuous as (to do something) without proper authority or permission. [from 14th c.]
- I wouldn't presume to tell him how to do his job.
- To assume to be true (without proof); to take for granted, to suppose. [from 14th c.]
- (intransitive) To be presumptuous; with on, upon, to take advantage (of), to take liberties (with). [from 15th c.]