1580s, from suit (v.) + -able. Earlier suit-like (1560s); suitly (mid-15c.). Related: Suitably; suitableness.
a tractor suitable (or fit) for heavy duty
the parents found the girl suitable for their son
sui juris
suicidal
suicide
suit
suitability
suitable
suitcase
suite
suitor
Sukey
Sulawesi