Merriam-Webster Collegiate Dictionary - deity

 noun  (plural -ties)  Etymology: Middle English deitee, from Anglo-French deite, from Late Latin deitat-, deitas, from Latin deus god; akin to Old English Tiw, god of war, Latin divus god, dies day, Greek dios heavenly, Sanskrit deva heavenly, god  Date: 14th century  1.  a. the rank or essential nature of a god ; divinity  b. capitalized god 1, Supreme Being  2. a god or goddess the deities of ancient Greece  3. one exalted or revered as supremely good or powerful