I. verb
1.
Synonyms: demand 1, call, challenge, claim, exact, require, requisition, solicit
2.
Synonyms: presuppose , assume, posit, premise, presume
Related Word: affirm, assert, aver, predicate
II. noun
Synonyms: assumption 2, apriorism, posit, postulation, premise, presumption, presupposition, supposition, thesis