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Definition of presume on - 3 dictionary results

pre⋅sume

[pri-zoom] verb, -sumed, -sum⋅ing.
–verb (used with object)
1. to take for granted, assume, or suppose: I presume you're tired after your drive.
2. Law. to assume as true in the absence of proof to the contrary.
3. to undertake with unwarrantable boldness.
4. to undertake (to do something) without right or permission: to presume to speak for another.
–verb (used without object)
5. to take something for granted; suppose.
6. to act or proceed with unwarrantable or impertinent boldness.
7. to go too far in acting unwarrantably or in taking liberties (usually fol. by on or upon): Do not presume upon his tolerance.

Origin:
1300–50; ME presumen (< OF presumer) < L praesūmere to take beforehand (LL: take for granted, assume, dare), equiv. to prae- pre- + sūmere to take up, suppose (see consume )


pre⋅sum⋅ed⋅ly [pri-zoo-mid-lee] , adverb
pre⋅sum⋅er, noun


1. presuppose. 6. overstep.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Word Origin & History

presume 
1375, "to take upon oneself, to take liberty," also "to take for granted, presuppose" (1377), from O.Fr. presumer (12c.), from L. præsumere (see presumption). Presumptive is recorded from 1561. The heir presumptive (1628) is "presumed" to be the heir if the heir apparent is unavailable.
Online Etymology Dictionary, © 2001 Douglas Harper
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Legal Dictionary

Main Entry: pre·sume
Pronunciation: pri-'züm
Function: transitive verb
Inflected Forms: pre·sumed; pre·sum·ing
: to suppose to be true without proof or before inquiry : accept as a presumption presume the defendant is innocent>
Merriam-Webster's Dictionary of Law, © 1996 Merriam-Webster, Inc.
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