Cool

a posto

(colloquial: all right, acceptable)

accettabile

(colloquial: all right, acceptable)

calmo

(not showing emotion, calm)

calmo

(colloquial: not upset)

disinvolto

(colloquial: of a person, knowing what to do and how to behave in any situation)

distaccato

(unenthusiastic, lukewarm, skeptical)

fantastico

(calmly audacious)

figo

(colloquial: of a person, knowing what to do and how to behave in any situation)

figo

(colloquial: in fashion)

freddo

(having a slightly low temperature)

freddo

(not showing emotion, calm)

fresco

(having a slightly low temperature)

fresco

(allowing or suggesting heat relief)

ganzo

(colloquial: being considered as "popular" by others)

imperturbabile

(not showing emotion, calm)

imperturbabile

(colloquial: not upset)

in gamba

(colloquial: of a person, knowing what to do and how to behave in any situation)

indifferente

(unenthusiastic, lukewarm, skeptical)

intrepido

(calmly audacious)

leggero

(allowing or suggesting heat relief)

scettico

(unenthusiastic, lukewarm, skeptical)

sicuro di se

(colloquial: of a person, knowing what to do and how to behave in any situation)

termico

(allowing or suggesting heat relief)

tranquillo

(not showing emotion, calm)

tranquillo

(colloquial: not upset)

calmo

(calm temperament)

fresco

(moderate temperature)

posato

(calm temperament)