Cloud Nine is a term used to describe a state of extreme happiness and contentment. The crossword solutions for this term are ELATE (5 letters), NIRVANA (7 letters), IMON (4 letters), BLISS (5 letters), TRANSPORT (9 letters), and TOPOFTHEWORLD (13 letters). ELATE means to make very happy and joyful, NIRVANA is a Buddhist concept of perfect peace and enlightenment, IMON is an acronym for 'I'm On Cloud Nine', BLISS is a state of perfect happiness, TRANSPORT is to carry away with strong emotion, and TOPOFTHEWORLD is an expression of feeling on top of the world.