Abate subside , or moderate Aberrant abnormal, or deviant Abeyance suspended action Abscond depart secretly and hide Abstemious sparing in eating and drinking; temperate Admonish warn; reprove Adulterate make impure by adding inferior or tainted substances Aesthetic artistic; dealing with or capable of appreciating the beautiful Aggregate gather; accumulate Alacrity cheerful promptness; eagerness Alleviate relieve Amalgamate combine; unite in one body Ambiguous unclear or doubtful in meaning Ambivalence the state of having contradictory or conflicting emotional attitudes Ameliorate improve Anachronism something or someone misplaced in time Analogous comparable Anarchy absence of governing body; state of disorder Anomalous abnormal; irregular Antipathy aversion; dislike Apathy lack of caring; indifference Appease pacify or soothe; relieve Apprise inform Approbation approval Appropriate v. acquire; take possession of for one’s own use Arduous hard; strenuous Artless without guile; open and honest Ascetic practicing self-denial; austere Assiduous diligent Assuage v. ease or lessen (pain); satisfy (hunger); soothe (anger)