The Collaborative International Dictionary of English v.0.48:

Joyance \Joy"ance\, n. [OF. joiance.]
   Enjoyment; gayety; festivity; joyfulness.      --Spenser.
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         Some days of joyance are decreed to all. --Byron.
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         From what hid fountains doth thy joyance flow?
                                                  --Trench.
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