1) to see (have seen) together with others
2) to see (have seen) in one's mind with one's self
2a) to understand, perceive, comprehend
3) to know with another
4) to know in one's mind or with one's self, to be conscience of
Part of Speech: verb
Citing in TDNT: 7:898,*
From G4862 and G1492; to see completely; used (like its primary) only in two past tenses, respectively meaning to understand or become aware, and to be conscious or (clandestinely) informed of: - consider, know, be privy, be ware of.
|a be aware of||28.4|
|b know with||28.5|
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 σύνοιδα; click on the second column to search for that grammatical form of the root σύνοιδα; click on the third column to search for that word and grammatical form; click on the total to search for the root σύνοιδα.