posit in WordNet English dictionary

1. put (something somewhere) firmly
   "She posited her hand on his shoulder"; "deposit the suitcase on the bench"; "fix your eyes on this spot"
   situate  fix  posit  deposit 
   
2. take as a given; assume as a postulate or axiom
   "He posited three basic laws of nature"
   postulate  posit 
   
3. put before
   "I submit to you that the accused is guilty"
   submit  state  put forward  posit 
   

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