adj

• (British, informal, chiefly slang) Sexually attractive; good-looking; fanciable.
  "I think the girl working in the office is fit."
• (obsolete) Prepared; ready.
  "So fit to shoot, she singled forth among her foes who first her quarry's strength should feel."

verb

• (transitive) To be suitable for.
  "It fits the purpose."
• (intransitive) To have sufficient space available at some location to be able to be there.
  "Ten clowns fit in the car, but not a hundred."
• (transitive) To conform to in size and shape.
  "The small shirt doesn't fit me, so I'll buy the medium size."
• (intransitive) To be of the right size and shape
  "I know the pieces fit / 'Cause I watched them fall away"

noun

• (advertising) Measure of how well a particular commercial execution captures the character or values of a brand.
  "The Wonder Bread advertising research results showed the “White Picket Fence” commercial had strong fit ratings."
• (statistics) Goodness of fit.
• (bridge) The quality of a partnership's combined holding of cards in a suit, particularly of trump.
  "During the auction, it is often a partnership's goal to find an eight-card major suit fit."

noun

• (archaic) A section of a poem or ballad.
  "Dr. Percy has written a long ballad in many fits."