Cooler, 7 letters
Swell stuff, 7 letters
Most excellent, 8 letters
Cool beans!, 5 letters
Great!, 5 letters
Neato!, 5 letters
Swell!, 5 letters
Clever, 5 letters
Cool, 5 letters
Cool, once, 5 letters
Corking, 5 letters
Excellent, 5 letters
Groovy, 5 letters
Ingenious, 5 letters
Kin of Peachy!, 5 letters
Neat, 5 letters
Peachy, 5 letters
Peachy keen, 5 letters
Pretty cool, 5 letters
Really neat, 5 letters
Really swell, 5 letters
Sizable, as a profit, 5 letters
Stylish, 5 letters
Stylish; smart: Slang, 5 letters
Tops, 5 letters
Very cool, 5 letters
Very fine, 5 letters
Calcium blocker (trade name Procardia), 10 letters
Appears to increase the risk of recurrent heart attacks, 10 letters
(British slang) an unpleasant smell, 4 letters