aforethought, n. premeditation.

afraid, a. alarmed, fearful, timid, timorous, apprehensive, scared, diffident.  Antonyms:  fearless, unafraid, intrepid, bold, undaunted, temerarious.

afresh, adv. again, anew, de novo, newly.

after, a. next, subsequent, succeeding, following, later.

after all. nevertheless.

afterbirth, n. secundines; heam (afterbirth of a beast).

after-birth, a. post-natal.

after-death, a. post-mortem, posthumous.

after-dinner, a. post-prandial.

after-marriage, a. post-nuptial, post-connubial.

aftermath, n. rowen, eddish, lattermath, eagrass, etch rowett.

afternoon, a. post-meridian.

after the flood. post-diluvian, post-diluvial.

after the war. post-bellum.

age, n. maturity, seniority; epoch, period, time; century; eon; climacteric; old age, dotage, senescence, senility, decrepitude, superannuation; longevity.  Associated Words:  nostology, geratology, geromorphism, coetaneous, coeval, contemporaneous.

agency, n. instrumentality, operation, action, mediation, means.

agent, n. representative, canvasser, substitute, deputy, factor, procurator, syndic, go-between, commissioner, proctor, emissary, envoy, solicitor, negotiator.  Antonyms:  principal, chief.

aggrandize, v. exalt.

aggrandizement, n. exaltation.

aggravate, v. intensify, heighten, enhance, increase; exasperate, irritate, provoke.

aggravation, n. enhancement, heightening; (Colloq.) exasperation, provocation, irritation.

aggregate, n. mass, whole, total.

aggregation, n. collection, accumulation, mass.

aghast, a. astounded, terrified, dismayed, horror-struck.

agile, a. nimble, spry, active, lively.

agility, n. spryness, nimbleness, activity.

agitate, v. disturb, shake, unsettle; excite, perturb, disconcert; discuss, consider.

agitation, n. commotion, disturbance, perturbation, excitement, flustration, discomposure, unrest, turmoil, estuation; discussion, ventilation.

agitator, n. incendiary, firebrand.

agree, v. concur, accord, chime, acquiesce, harmonize; accede, comply, assent, consent, grant; stipulate, promise, compromise; correspond, coincide, comport, tally, conform, match.  Antonyms:  disagree, differ, higgle, chaffer.  See disagree.

agreeable, a. pleasant, grateful, gratifying, pleasurable, enjoyable, congenial; suitable, conformable to, compatible, consonant, befitting.  Antonyms:  See disagreeable.

agreement, n. concurrence, consensus, harmony, compatibility, acquiescence, accord, concord, conformity, coincidence, unanimity, unison, corroboration, correspondence; contract, treaty, stipulation, protocol, compact, collusion, cartel (Mil.).  Antonyms:  disagreement, dissension, discrepancy, variance, opposition, incompatibility.