fit

(noun): The degree to which something fits.
(noun): Conformity of elements one to another.
(noun): The part of an object upon which anything fits tightly.
(noun): Measure of how well a particular commercial execution captures the character or values of a brand.
(noun): Goodness of fit.
(noun): The quality of a partnership's combined holding of cards in a suit, particularly of trump.
(verb): To be suitable for.
(verb): To conform to in size and shape.
(verb): To be of the right size and shape
(verb): (with to) To make conform in size and shape.
(verb): To be in agreement with.
(verb): To adjust.
(verb): To attach, especially when requiring exact positioning or sizing.
(verb): To equip or supply.
(verb): To make ready.
(verb): To be seemly.
(verb): To be proper or becoming.
(verb): To be in harmony.
(adjective): Suitable, proper.
(adjective): Adapted to a purpose or environment.
(adjective): In good shape; physically well.
(adjective): Sexually attractive; good-looking; fanciable.
(adjective): Prepared; ready.

Since he put on weight, his jeans have been a tight fit.
It's hard to get a good fit using second-hand parts.
The Wonder Bread advertising research results showed the “White Picket Fence” commercial had strong fit ratings.
During the auction, it is often a partnership's goal to find an eight-card major suit fit.
It fits the purpose.