WordReference Random House Learner's Dictionary of American English © 2015
pos•tu•late /v. ˈpɑstʃəˌleɪt; n. -lɪt, -ˌleɪt/USA pronunciation
v., -lat•ed, -lat•ing,n.
to suggest or assume the existence or truth of (something), esp. as a basis for further reasoning: [~ + object]She postulated an increase in population and went on from there to form a theory of population change.[~ + that clause]began by postulating that good and evil exist in all people.
something assumed to be true and used as a basis for reasoning:a postulate that human beings were created for a purpose.
pos•tu•la•tion /ˌpɑstʃəˈleɪʃən/USA pronunciationn. [uncountable]
Collins Concise English Dictionary © HarperCollins Publishers::
postulate vb /ˈpɒstjʊˌleɪt/(tr; may take a clause as object)
- to assume to be true or existent; take for granted
- to ask, demand, or claim
- to nominate (a person) to a post or office subject to approval by a higher authority
Etymology: 16th Century: from Latin postulāre to ask for, require; related to pōscere to requestˌpostuˈlation n
- something taken as self-evident or assumed as the basis of an argument
- a necessary condition or prerequisite
- a fundamental principle
- an unproved and indemonstrable statement that should be taken for granted: used as an initial premise or underlying hypothesis in a process of reasoning