1) to put in order, arrange, make ready, prepare
2) to ornament, adore
3) metaphorically to embellish with honour, gain honour
Part of Speech: verb
Citing in TDNT: 3:867, 459
From G2889; to put in proper order, that is, decorate (literally or figuratively); specifically to snuff (a wick): - adorn, garnish, trim.
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 κοσμέω; click on the second column to search for that grammatical form of the root κοσμέω; click on the third column to search for that word and grammatical form; click on the total to search for the root κοσμέω.