Yes, fit is playable
...and is worth 6 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Fit" Definition
noun
A sudden outburst of emotion: a fit of jealousy.
A sudden period of vigorous activity.
Archaic A section of a poem or ballad.
Medicine A seizure or convulsion, especially one caused by epilepsy.
Medicine The sudden appearance of a symptom such as coughing or sneezing.
adjective
Appropriate; proper: Do as you see fit.
Biology Successfully adapted to survive and produce viable offspring in a particular environment.
Physically sound; healthy: keeps fit with diet and exercise.
Suited, adapted, or acceptable for a given circumstance or purpose: not a fit time for flippancy.
Adapted to an end or design suitable by nature or by art.
idiom
By With irregular intervals of action and inaction; intermittently.
Fit to be tied Roused to great anger or indignation; outraged.
Fit to kill Slang To an extreme or elaborate degree: dressed up fit to kill.
verb-transitive
To be appropriate to; suit: music that fits your mood.
To be in conformity or agreement with: observations that fit the theory nicely.
To be the proper size and shape for: These shoes fit me.
To cause to be the proper size and shape: The tailor fitted the trousers by shortening them.
To equip; outfit: fit out a ship.
verb-intransitive
To be in harmony; agree: His good mood fit in with the joyful occasion.
To be the proper size and shape.
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