Aerial, airy, animated, ethereal, frolicsome.
Affectation, cant, hypocrisy, pretence, sham.
Affirm, assert, avow, declare, maintain, state.
Aged, ancient, antiquated, antique, immemorial, old, venerable.
Air, bearing, carriage, demeanor.
Akin, alike, identical.
Alert, on the alert, sleepless, wary, watchful.
Allay, appease, calm, pacify.
Alliance, coalition, compact, federation, union, fusion.
Allude, hint, imply, insinuate, intimate, suggest.