That which moves; a mover.

That which incites to action; anything prompting or exciting to choise, or moving the will; cause; reason; inducement; object; motivation{2}.

Causing motion; having power to move, or tending to move; as, a motive argument; motive power.

To prompt or incite by a motive or motives; to move.

impelling to action; "it may well be that ethical language has primarily a motivative function"- Arthur Pap; "motive pleas"; "motivating arguments"