fitting

noun

1.
making or becoming suitable; adjusting to circumstances
accommodation adjustment
Derived from:
fit
2.
a small and often standardized accessory to a larger system
3.
(usually in the plural) furnishings and equipment (especially for a ship or hotel)
appointment
Derived from:
fit
4.
putting clothes on to see whether they fit
trying on try-on
Derived from:
fit