1) among the Persians a grand enclosure or preserve, hunting ground, park, shady and well watered, in which wild animals, were kept for the hunt; it was enclosed by walls and furnished with towers for the hunters
2) a garden, pleasure ground
2a) grove, park
3) the part of Hades which was thought by the later Jews to be the abode of the souls of pious until the resurrection: but some understand this to be a heavenly paradise
4) the upper regions of the heavens. According to the early church Fathers, the paradise in which our first parents dwelt before the fall still exists, neither on the earth or in the heavens, but above and beyond the world
Part of Speech: noun masculine
Of Oriental origin (compare [H6508]); a park, that is, (specifically) an Eden (place of future happiness, "paradise"): - paradise.
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 παράδεισος; click on the second column to search for that grammatical form of the root παράδεισος; click on the third column to search for that word and grammatical form; click on the total to search for the root παράδεισος.