1) to be strong
1a) to be strong in body, to be robust, to be in sound health
2) to have power
2a) to have power as shown by extraordinary deeds
2a1) to exert, wield power, to have strength to overcome
2b) to be a force, avail
2c) to be serviceable
2d) to be able, can
Part of Speech: verb
Citing in TDNT: 3:397, 378
From G2479; to have (or exercise) force (literally or figuratively): - beable, avail, can do ([-not]), could, be good, might, prevail, be of strength, be whole, + much work.
|c be healthy||23.130|
|a be capable of||74.9|
|b be strong||79.64|
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 ἰσχύω; click on the second column to search for that grammatical form of the root ἰσχύω; click on the third column to search for that word and grammatical form; click on the total to search for the root ἰσχύω.