Joy

1. n. The sign or exhibition of joy; gayety; mirth; merriment; festivity.
2. n. The passion or emotion excited by the acquisition or expectation of good; pleasurable feelings or emotions caused by success, good fortune, and the like, or by a rational prospect of possessing what we love or desire; gladness; exhilaration of spirits; delight.
3. n. That which causes joy or happiness.
4. v. t. To gladden; to make joyful; to exhilarate.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.