Healthy, appropriate, fitting, right, suitable, acceptable, well, fine, robust, athletic, proper, apt, adequate
Just go to thesaurus.com or wordhippo.com
great fit
fit
Airworthy.
tantrum?
convulsion, fit
A synonym for conform is comply.
qualified, suited, suitable, fit,edible
A snug fit is a tight fit or if you say you are nice and snug in your blanket, that means you are cozy.
energetic, active, fit, muscular, powerful, competitive
Unsatisfied is a synonym for dissatisfied.
wonderful amazing or romantic or lovely see they all fit
Depends on context but 'somber' is one that will fit many situations.