1) to exercise, practise, to be busy with, carry on
1a) to undertake, to do
2) to accomplish, perform
2a) to commit, perpetrate
3) to manage public affairs, transact public business
3a) to exact tribute, revenue, debts
4) to act
Part of Speech: verb
Citing in TDNT: 6:632, 927
A primary verb; to "practise", that is, perform repeatedly or habitually (thus differing from G4160, which properly refers to a single act); by implication to execute, accomplish, etc.; specifically to collect (dues), fare (personally): - commit, deeds, do, exact, keep, require, use arts.
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 πράσσω; click on the second column to search for that grammatical form of the root πράσσω; click on the third column to search for that word and grammatical form; click on the total to search for the root πράσσω.