An enthusiastic and expert fan of something.

He had to be careful the calm didn't ______ him; make him forgetful of her.

a type or class of something

The letter gave ______ news of the war.

showing no morals; dishonest

Fans of the superhero ______ and other films in the Marvel series, should enjoy it.

To astonish or amaze someone.

causing worry; disturbing

True wool ___________ can choose her accessories by breed of sheep and wool type.