Assuage
Soften; alleviate
Astral
Pertaining to the stars
Astute
Shrewd
Atrophy
Waste away
Attrition
Grinding down; wearing down
Augment
Increase
Augury
Prediction
August
Stately
Auspicious
Of favorable prospect
Austere
Severe; strict
Authentic
Genuine
Autonomous
Self-governing
Avarice
Greed
Aver
Assert
Averse
Reluctant; disinclined
Avert
Turn aside; prevent
Avid
Greedy
Avouch
Declare strongly
Awry
Turned to one side
Axiomatic
Self-evident