GRE常考单词(名词)

　　aberration :: wandering or staying away; in optics, failure of rays to focus abettor :: encourager abeyance :: suspended action ablution :: washing abnegation :: repudiation; self-sacrifice abstinence :: restraint from eating or drinking accessory :: additional object: useful but not essential thing acclivity :: sharp upslope of a hill accolade :: award of merit accomplice :: partner in crime accord :: agreement accretion :: growth: increase acerbity :: bitterness of speech and temper acme :: top: pinnacle acoustics :: science of sound: quality that makes a room easy or hard to hear in acquiescence :: submission; compliance acquittal :: deliverance from a charge acumen :: mental keenness adage :: wise saying: proverb addiction :: compulsive, habitual need adjunct :: something attached to but holding an inferior position adjuration :: solemn urging admonition :: warning adulation :: flattery: admiration adumbration :: foreshadowing: outlining advent :: arrival adversity :: poverty: misfortune aegis :: shield; defense aeon :: long period of time; an age affidavit :: written statement made under oath affiliation :: joining: associating with affinity :: kinship affirmation :: solemn pledge by one who refuses to take an oath afflatus :: inspiration affluence :: abundance: wealth affray :: public brawl agenda :: items of business at a meeting agglomeration :: collection: heap agility :: nimbleness agitation :: strong feeling; excitement agnostic :: one who is skeptical of the existence or knowability of a god agronomist :: scientist engaged in the management of land 　　alacrity :: cheerful pro