posit

(noun) (logic) a proposition that is accepted as true in order to provide a basis for logical reasoning. Synonyms: postulate.

(verb) put (something somewhere) firmly. Synonyms: situate, fix, deposit. Examples: "She posited her hand on his shoulder." "Deposit the suitcase on the bench." "Fix your eyes on this spot."

(verb) put before. Synonyms: submit, state, put forward. Example: "I submit to you that the accused is guilty."

(verb) take as a given; assume as a postulate or axiom. Synonyms: postulate. Example: "He posited three basic laws of nature."