Arid

Barren

Drought

Artisan

Partisan

As it were

As it is

I am very busy as it is.

You seem busy as it were.

As ye == up to now

Aspiration

He has aspiration to high power

Aspire to

Fulfill his aspiration

Assertion

Asset

He will be a great asset to you.

Personal asset

asshole

At one stroke

He make a big amount of money at one stroke in stock market.

At times

At whim

The stock market is always at whim.

Attribute to