Abate :---> subside, moderate.
Aberration :---> deviation, irregularity
Abeyance :---> suspended action.
Abode :---> habitual residence
Abscond :---> depart secretly and hide.
Abstemious :---> sparing in eating and drinking.
Abstract :---> intangible, not practical
Access :---> to approach.
Acquiesce :---> tacit agreement, accept, approve
Acumen :---> shrewdness, sharpness,
Adage :---> proverb.
Adherence :---> sticking, devotion, support.
Adhesive :---> tenacious, glue
Admonish :---> warn, scold, reprove
Adversary :---> opposition, rival, enemy, oppose.
Aesthetic :---> artistic
Affable :---> lovable, approachable, friendly.
Affinity :---> strong liking, attraction, closeness
Agrarian :---> related to agriculture
Alienate :---> abandon, cause to become unfriendly
Allegation :---> charge, unfounded accusation
Amalgamate :---> combine, unite in one body.
Ameliorate :---> improve.
Analogous :---> comparable.
Analogy :---> parallelism, comparison
Anarchy :---> absence of governing body.
Anathematize :---> curse, excommunicate.
Anomalous :---> abnormal, irregular.
Anomaly :---> exception, deviation
Apparatus :---> appliance
Appease :---> pacify, soothe.
Apprise :---> inform
Approbation :---> approval.
Archipelago :---> group of small islands.
Ardor :---> fervor, enthusiasm, zeal.
Arduous :---> hard, strenuous.
Artless :---> without guile, open or honest.
Ascetic :---> austere, monk.
Asperity :---> coarseness, harshness.
Aspiration :---> ambition, longing.
Assault :---> attack, onslaught.
Assess :---> determine the amount or value.
Assiduous :---> diligent, hard-working
Assuage :---> ease or lessen(pain), soothe.
Attenuate :---> diminish intensity, become thin.
Audacious :---> daring, bold.
Augment :---> increase, enlarge, enhance
Augury :---> prediction, omen.
Aver :---> state confidently, declare.
Awry :---> crooked, twisted, uneven.