/ fəˈlɪsəti; NAmE / noun ( pl. -ies ) ( formal or literary )
1.
[ U ] great happiness
2.
[ U ] the quality of being well chosen or suitable
3.
felicities [ pl. ] well-chosen or successful features, especially in a speech or piece of writing
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WORD ORIGIN
late Middle English : from Old French felicite , from Latin felicitas , from felix , felic- happy.