forlightenEtymologyFrom for- + lighten, but also continuing (in altered form) earlier forlyten (“to diminish”), from for- + lite + -en.forlighten means to decrease; reduce; diminish; lighten; lighten up. Lexicurio rates it Rare gem — a strength score of 79 out of 100.verbTo decrease; reduce; diminish; lighten; lighten up.“For to forlighten with his sheen / Those sitting sad, in darkest blindness, / In death's cold shade.”