Allure, attract, cajole, coax, inveigle, lure.
Amateur, connoisseur, novice, tyro.
Amend, better, mend, reform, repair.
Amplify, develop, expand, extend, unfold, widen.
Amusement, diversion, entertainment, pastime.
Anger, exasperation, petulance, rage, resentment.
Animal, beast, brute, living creature, living organism.
Answer, rejoinder, repartee, reply, response, retort.
Anticipate, forestall, preclude, prevent.