Adjunct
A subordinate; and assistant
Admonish
to warn, to caution
Advocate
to recommend; to speak in favor of
Affiliate
an associate; partner
Affliction
anything causing great suffering
Aghast
feeling great dismay or horror
Alacrity
brisk and cheerful readiness
Aleinate
to make others unfriendly toward you
Allude
to hint at, to refer to indirectly
Aloof
reserved, distant