1. (noun)Ascension, Ascension Day, Ascension of the Lord (Christianity) celebration of the Ascension of Christ into heaven; observed on the 40th day after Easter
2. (noun)rise, rising, ascent, ascension a movement upward
"they cheered the rise of the hot-air balloon"
3. (noun)Ascension, Ascension of Christ (New Testament) the rising of the body of Jesus into heaven on the 40th day after his Resurrection