A state of shared happiness or good fortune between two or more people.
From Latin con- (with) + felicity (happiness, from felix meaning happy). The prefix con- indicates a shared or mutual condition, creating a term for collective well-being.
This beautiful but rare word captures something modern psychology now studies intensely—how happiness spreads between people like a contagion. It's the opposite of misery loving company; it's joy multiplied when shared.
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