1) not to dread or shun through fear
2) to bear, endure
3) to bring one's self to
4) to be bold
5) bear one's self boldly, deal boldly
Part of Speech: verb
Citing in TDNT: 8:181, 1183
From τόλμα tolma (boldness; probably itself from the base of G5056 through the idea of extreme conduct); to venture (objectively or in act; while G2292 is rather subjective or in feeling); by implication to be courageous: - be bold, boldly, dare, durst.
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 τολμάω; click on the second column to search for that grammatical form of the root τολμάω; click on the third column to search for that word and grammatical form; click on the total to search for the root τολμάω.