(fit) adjective fit·ter, fit·test
1. Adapted to an end, aim, or design; adequate; competent; qualified.
2. Conformed to a standard, suitable; appropriate.
3. In a state of preparation; ready.
4. In good physical condition and training: originally a sporting use.
5. Suitable to the person or occasion; convenient; becoming; proper. See synonyms under ADEQUATE, APPROPRIATE, BECOMING, COMPETENT, CONVENIENT, GOOD, RIPE.
—v. fit·ted or fit, fit·ting v.t.
1. To be suitable for: Dark days fit dark deeds.
2. To be of the right size and shape for.
3. To make or alter to the proper size or purpose: to fit a suit.
4. To provide with what is suitable or necessary: to fit a ship for sea.
5. To prepare or make qualified or ready: His experience fits him for the position.
6. To put in place carefully or exactly: to fit an arrow to a bow.
—v.i.
7. To be suitable or proper.
8. To be of the proper size, shape, etc.: This shoe fits. See synonyms under ADAPT, ACCOMMODATE, TEMPER.
—noun
1. An adjustment or agreement in size, form, or the like; suitability; adaptation.
2. A making ready; preparation.
3. Mech. a A part upon which something fits snugly; specifically, that part of a car axle upon which the wheel is forced. b The closeness or completeness of contact in machine parts, usually classified as loose, free, medium, snug, and wringing.
4. That which fits, as a piece of clothing. [ME fyt; origin uncertain]
—fit′ly adverb
—fit′ness noun
—fit′·ter noun

(fit) noun
1. A sudden onset of an organic or functional disorder, often attended by convulsions, as in epilepsy; spasm.
2. A sudden overmastering emotion or feeling; a mood: a fit of rage.
3. Impulsive and irregular exertion or action: a fit of industry.
—by fits (or by fits and starts) Spasmodically; irregularly. [OE fitt struggle]

(fit) noun
1. A song, story, or ballad.
2. A division of a ballad or song. [OE fitt]

(fit) noun Scot.
A foot; step.