adulation

flattery; admiration that is more than is necessary or deserved

adulterate

make impure or of poorer quality by adding inferior or tainted(contaminated) substances

Advent

arrival

adventitious

accidental; casual; happening by chance

adversary

opponent; enemy

adverse

going against; opposing; unfavorable; hostile

adversity

great hardship or affliction; misfortune; calamitous event

advert

refer

advocacy

support; active pleading on behalf of someone or something

advocate

speak in favor of; support (an idea or plan); urge; plead for

aegis

shield; protection; defense

aerie(aery,eyrie,eyry)

nest of a large bird of prey