Etymology
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presuppose (v.)

early 15c., altered from presupponen (c. 1400), "assume beforehand or in the beginning," from Old French presupposer (14c.), formed in French or else from Medieval Latin praesupponere; see pre- + suppose. The meaning "take for granted in advance of actual knowledge or experience" is from 1520s. Related: Presupposed; presupposing.

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Definitions of presuppose

presuppose (v.)
take for granted or as a given; suppose beforehand;
I presuppose that you have done your work
Synonyms: suppose
presuppose (v.)
require as a necessary antecedent or precondition;
This step presupposes two prior ones
Synonyms: suppose
From wordnet.princeton.edu