Fit
Definition 1 of 7
Pro Tip 1/2
Situational suitability
Use 'fit' to describe when something is well-suited for its intended purpose or role. These regulations are fit for the new policy.
Pro Tip 2/2
Contextual contrast
'Fit' can have opposite meanings depending on context: 'fit for work' vs. 'unfit for work'. Though he's fit for work, his car was deemed unfit for the road.