Accomodate
Acerbity
Bitterness of speech and temper
Acme
Top; pinnacle
Acoustics
Science of sound; quality that makes a room easy or hard to hear in
Acquiesce
Assent; agree without protesting
Acquittal
Deliverance from a charge
Acrid
Sharp; bitterly pungent
Acrimonious
Bitter in words or manner
Acuity
Sharpness
Acumen
Mental keenness
Acute
Adage
A wise saying; proverb
Addle
Muddle; drive crazy; become rotten
Adhere
Stick fast
Adherent
Supporter; follower
Adjunct
Something added on or attached (generally nonessential or inferior)
Admonition
Warning
Adopt
Adroit
Skillful
Adulterate
Make impure by adding inferior or tainted substances