compersion

listen to the pronunciation of compersion
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İngilizce - İngilizce
The feeling of joy associated with seeing a loved one love another; contrasted with jealousy

Some polyamorous people experience compersion, which means feeling joy that one’s partner is sharing closeness with another person (Keener, 2004; Polyamory Society, 1997). Keener’s (2004) study participants noted an absence of worry as to whether their partners might be cheating.