a nonfunctional replica of something else (frequently used as a modifier); "a toy stove"
manipulate manually or in one's mind or imagination; "She played nervously with her wedding ring"; "Don't fiddle with the screws"; "He played with the idea of running for the Senate"
an extended communication (often interactive) dealing with some particular topic; "the book contains an excellent discussion of modal logic"; "his treatment of the race question is badly biased"
an exchange of views on some topic; "we had a good discussion"; "we had a word or two about it"
capable of or tending to change in form or quality or nature; "a mutable substance"; "the mutable ways of fortune"; "mutable weather patterns"; "a mutable foreign policy"