Answer:

nifty

Answer	Crossword Clue
NIFTY	Groovy
NIFTY	Swell
NIFTY	Kin of "Peachy!"

NIFTY	Peachy-keen
NIFTY	Really neat
NIFTY	"Cool beans!"
NIFTY	Cool
NIFTY	Excellent
NIFTY	Very good
NIFTY	Sizable, as a profit
NIFTY	Neat

NIFTY	Very cool
NIFTY	"Neato!"
NIFTY	Slick
NIFTY	"Peachy!"
NIFTY	"Swell!"
NIFTY	Corking
NIFTY	"Great!"
NIFTY	Very fine

NIFTY	Peachy
NIFTY	Ingenious
NIFTY	"Swell."
NIFTY	Swell.
NIFTY	Smart: Slang.
NIFTY	Stylish: Colloq.
NIFTY	Classy.
NIFTY	Classy

NIFTY	Super
NIFTY	Smart
NIFTY	Super!
NIFTY	Spiffy
NIFTY	Swellegant
NIFTY	Tops
NIFTY	Stylish; smart: Slang
NIFTY	Pretty cool

NIFTY	Neato!
NIFTY	Clever
NIFTY	Stylish
NIFTY	Really swell
NIFTY	Dandy

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.