J. Hector St. Jean de Crevecoeur's "Letters from an American Farmer"

moderation

Definition (adj)

1aavoiding extremes of behavior or expression observing reasonable limits
bCALMTEMPERATE
2atending toward the mean or average amount or dimension
bhaving average or less than average quality MEDIOCRE
3not violent, severe, or intensea moderate climate
4professing or characterized by political or social beliefs that are not extreme
5limited in scope or effect
6not expensive reasonable or low in price
7: of a color of medium lightness and medium chroma

Source