To posit is defined as to assume as fact, to suggest or to set in place.(verb)
An example of to posit is to present a theory of how something happened.
See posit in Webster's New World College Dictionary
Origin: < L positus: see position
See posit in American Heritage Dictionary 4
transitive verb pos·it·ed, pos·it·ing, pos·its
Origin: From Latin positus
Origin: , past participle of pōnere, to place; see position.
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