A
B
C
100

the character and atmosphere of a place.

What is ambiance?
100

causing shock or dismay; horrific.

What is appalling?

100

a worker in a skilled trade, especially one that involves making things by hand.

What is artisan?

200

 increase the volume of (sound), especially using an amplifier.

What is amplify? 

200

a thing or event that existed before or logically precedes another.

What is antecedent?

200

open and responsive to suggestion; easily persuaded or controlled.

What is amenable?

300

nearer the front, especially situated in the front of the body or nearer to the head.

What is anterior?

300

a natural ability to do something.

What is aptitude?

300

 very old or old-fashioned.

What is archaic?

400

 involving or requiring strenuous effort; difficult and tiring.

What is arduous?