Accentuate
To stress or emphasize; to intensify
Accessible
Attainable, available; approachable
Adept
Very skilled
Advantageous
Favorable; useful
Aggressive
Actively hostile; assertive; bold
Agitate
To upset or disturb
Alacrity
Cheerful willingness, eagerness; speed
Alleviate
To relieve; to improve partially
Amalgamation
Combination, to combine smaller parts into a whole
Ambiguous
Uncertain; subject to multiple interpretations
Amiable
Likeable, pleasant, friendly
Anachronistic
From an incorrect or a different time period
Ancient
Very old; antique
Arable
Land suitable for cultivation (prepare soil for crops)
Archaic
Outdated; from an earlier time
Astute
Having good judgment
Augment
To expand; extend
Autonomous
Separate, independent
Beneficial
Adantageous, helpful
Benevolent
Helpful and friendly