add

Determine the sum of.

Bestow a quality on.

“The music added a lot to the play”

“This adds a light note to the program”

State or say further.

Make an addition by combining numbers.

Constitute an addition.

“This paper will add to her reputation”

Make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of.

“We added two students to that dorm room”

“She added a personal note to her letter”

A condition (mostly in boys) characterized by behavioral and learning disorders.