Answer:

cool

Answer	Crossword Clue
COOL	"Great!"
COOL	"Neato!"
COOL	Far out

COOL	Not so hot
COOL	With it
COOL	Air-condition
COOL	Even-tempered
COOL	Lukewarm
COOL	Like some cats?
COOL	Indifferent
COOL	Stand-offish

COOL	Unruffled
COOL	Not easily fazed
COOL	Not flapped
COOL	Rad, phat, or awesome
COOL	"Excellent!"
COOL	"Awesome!"
COOL	"Groovy!"
COOL	Hardly jittery

COOL	Hip
COOL	Good under pressure
COOL	"Groovy"
COOL	Hard to flap
COOL	Neato-keen
COOL	Standoffish
COOL	Unaffected by emotion
COOL	Loftily unengaged

COOL	Collected
COOL	Aloof
COOL	Unwelcoming
COOL	Like the proverbial cucumber
COOL	"Rad!"
COOL	Not exactly friendly
COOL	Socially adept, in slang
COOL	Hardly amicable

COOL	Not nerdy
COOL	"Works for me!"
COOL	Under control
COOL	Calm under pressure
COOL	Chilly