1) a philosopher, one given to the pursuit of wisdom or learning
2) in a narrower sense, one who investigates and discusses the cause of things and the highest good
Part of Speech: noun masculine
Citing in TDNT: 9:172, 1269
From G5384 and G4680; fond of wise things, that is, a "philosopher": - philosopher.
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 φιλόσοφος; click on the second column to search for that grammatical form of the root φιλόσοφος; click on the third column to search for that word and grammatical form; click on the total to search for the root φιλόσοφος.