THESAURUS
will power
animus, appetence, appetency, appetite, choice, command, conation, conatus, decision, desire, determination, discretion, disposition, fancy, fixity of purpose, fortitude, free choice, free will, inclination, intention, iron will, liking, lust, mind, moral courage, moral fiber, objective, passion, pleasure, power, resolution, sexual desire, strength, strength of mind, strength of purpose, velleity, volition, will, will of iron, wish