1) beautiful, handsome, excellent, eminent, choice, surpassing, precious, useful, suitable, commendable, admirable
1a) beautiful to look at, shapely, magnificent
1b) good, excellent in its nature and characteristics, and therefore well adapted to its ends
1b1) genuine, approved
1b3) joined to names of men designated by their office, competent, able, such as one ought to be
1b4) praiseworthy, noble
1c) beautiful by reason of purity of heart and life, and hence praiseworthy
1c1) morally good, noble
1d) honourable, conferring honour
1e) affecting the mind agreeably, comforting and confirming
Part of Speech: adjective
Citing in TDNT: 3:536, 402
Of uncertain affinity; properly beautiful, but chiefly (figuratively) good (literally or morally), that is, valuable or virtuous (for appearance or use, and thus distinguished from G18, which is properly intrinsic): - X better, fair, good (-ly), honest, meet, well, worthy.
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root Καλός; click on the second column to search for that grammatical form of the root Καλός; click on the third column to search for that word and grammatical form; click on the total to search for the root Καλός.