The term 'not spontaneous' can be described by four crossword solutions: PLANNED (7 letters), STAGED (6 letters), STUDIED (7 letters), and ROTE (4 letters). PLANNED means to have a predetermined course of action, while STAGED implies that something has been arranged or set up. STUDIED means to have examined something in detail, and ROTE refers to the memorization of facts without understanding. All of these words indicate that something is not spontaneous, but rather has been carefully thought out and prepared.