Antonym of EXASPERATE

Answer: Option C

Exasperate : irritate and frustrate (someone) intensely.
Belittle : dismiss (someone or something) as unimportant.
Annoy : make (someone) a little angry; irritate.
Please : cause to feel happy and satisfied.
Tarnish : lose or cause to lose lustre, especially as a result of exposure to air or moisture.

Antonym of Exasperate is Please