cool

abate acceptable accomplished admirable air aloof amiable apathetic arctic arrogant assuage assured aware awesome bad best blase blasé bliss blissful bracing calm calm calmer careful carefree casual champion chill chill chill chills chillest chillest chilly coldest coldest cold cold collected collectedness common-sense common-sense common sense composure compose composed confine confidence confidences considerate contemptuous contain contains control controlled conversant courageous creative dampen dandy detached deter did in disdainful disjointed dispassionate displease distant distinctive do in docile ecstasy elite emotionless endurance equilibrium equanimity even even-tempered fabulous far-out far out fan fine freshest fresh fresher frigid frigid frosty gentle glacial glacial goodish good-tempered great half-hearted halfhearted happy-go-lucky hardheaded hip hot hotter hottest impersonal imperturbable impressive impudent incurious incurious indifferent inhospitable introverted jaded kindly knowing level-headed levelheaded lucid lukewarm lull lulled malapert marvelous mild mitigate moderate moderate mollify more careful more aware more fabulous more even more acceptable more hardheaded more impressive more moderate more normal more philosophic more philosophical more pleasant more rational more reasonable more stoical more wonderful most accomplished most docile most hardheaded most sagacious most pleasant most philosophic most philosophical most rational most restrained most stoical most sensible most superior murder neutral nonchalant nonaligned nifty normal noteworthy objective offhand OK outstanding pacify pacifies palatable passionless passive patience perfunctory philosophical/philosophic phlegmatic placid pleasant poise politic presence prevents prevent prideful prohibit prouder proud proudest protract put away quenches quench rapture rational reasonable reconcile reconciling refresh refrigerate reinvigorate rein reinvigorated remote repel repress reserved restrain restrained revivify revitalize ripping sagacious satisfactory sedate select self-controlled self-possessed self-respecting self-restrained serene serenity sensational sensible shady shaded shivery singular slake slight smart-alecky smooth smother snippety snubbed snubbing snub sober soft softer sophisticated soothe soothes sound speechless staid stave standoffish steady stoic stoic/stoical superior super swell sympathetic table temperate temper temper tepid together tranquil unaffected umbrageous unapproachable uncaring unconcerned uncompassionate unemotional unenthusiastic unenthusiastic unfazed uninvolved unmoved unmoved unpitying unobjectionable unsociable unresponsive unruffled unruffled unstirred unsympathetic untroubled uppish way-out with it withdrawn wonderful worldly