to be the right size or shape for someone or something
That jacket fits you perfectly.
The dress fits like a glove (= very well).
Our new sofa doesn't fit through the door.
The tailor ensured the suit fit perfectly by making precise adjustments.
The puzzle pieces should fit together snugly for a complete picture.
Properly fitted shoes are essential for comfort during long walks.
The architect designed custom furniture to fit the unique dimensions of the room.