He is an adept?

The noun form is not as frequently used as the adjective, meaning proficient, or highly skilled.Examples :He was an adept in martial arts. (noun)He was adept at martial arts. (adjective)

The adjective adept means to be very good or proficient at something, highly skilled. (The noun form is less frequently used, a master or someone proficient.)Examples :"She is adept in math and...

Expert.skilful, able, skilled, expert, practiced, accomplished, versed, proficient, master, genius, hotshot

accept , crept and except

For the adjective, the pronunciation stress is on the second syllable, as "ah-DEPT". (ə-dĕpt', trailing t sound)For the noun, the pronunciation is on the first syllable, as "AH-dept" or "AHD-ept"....