adj. 1
Suitable; proper
You have nothing to say about it. I'll do exactly as I see fit.
adj. 2
Adapted to a purpose or environment.
v. 1
To be suitable for.
The speaker should be certain that his subject fits the occasion.
n. 1
A sudden outburst of emotion.
He threw a fit (of temper) when his car broke down.

Related words

Word family: fitly fitness fitspiration fitspo fittie fit-out fitting fit-bush
Phrases: fit in throw a fit have a fit fit-out hissy fit fit up snit fit fit for purpose

Forms

Plural: fits → spells, moments, paroxysms, convulsions…
Past participle: fitted
e.g. fitted → suited, accommodated, shaped, adapted…

Choose the right word

Fit, Adapted, Suitable, Qualified or Adequate?

Adapted, fit, suitable, and qualified refer to the qualities which match or suit the occasion. A clergyman may have strength adequate to the work of a porter; but that would not be a fit or suitable occupation for him.

J. C. Fernald, English Synonyms and Antonyms (1914)

Example sentences

able I hope he'll be able to come! I'd like to see him.
suitable This programme is not suitable for your age group.
primed She primed her canvas with gesso before starting to paint.
appropriate It's not appropriate for puritanical misanthropic.
suited This planet appears to be suited for colonization.
beautiful Paris, which is on the Seine, is a beautiful city.

Popularity over time

Word	1850 → 2019	Trend
fit		rising
able		steady
suitable		falling
primed		rising
appropriate		steady
suited		steady

Use in printed books, per decade from 1850 to 2019.

By length

2 letters: go¹
3 letters: set¹, due¹, sit¹, apt¹
4 letters: just¹, good¹, able², turn¹, meet¹, suit¹, fill¹, trim¹, mesh¹, ripe¹, tidy², jibe¹, gibe¹, snit
5 letters: right¹, whole¹, level², ready², check¹, match¹, agree², scene¹, dress¹, shape¹, spell¹, burst¹, adapt², tally²
6 letters: become², moment², attack², normal², access², square¹, proper², decent², worthy², outfit², adjust², suited², temper², accord²
7 letters: healthy², prepare², adapted³, qualify³, satisfy³, fulfill², conform², furnish²
8 letters: becoming³, relevant³, suitable³, eligible⁴, adequate³, decorous³, paroxysm
9 letters: beautiful³, qualified³, competent³, favorable⁴, befitting³, expedient⁴, congruous
10 letters: acceptable⁴, sufficient³, convenient³, applicable⁴, favourable, correspond³, convulsion³, commodious⁴, conniption³
11 letters: appropriate⁴, accommodate⁴, justifiable⁵
12 letters: commensurate⁴

The small number after each word is its number of syllables (able² = 2 syllables).

In other languages

Français: convenable