Nouns

(n)sagea mentor in spiritual and philosophical topics who is renowned for profound wisdom
(n)sagearomatic fresh or dried grey-green leaves used widely as seasoning for meats and fowl and game etc
(n)sage, salviaany of various plants of the genus Salvia; a cosmopolitan herb

Adjectives

(s)sagehaving wisdom that comes with age and experience
(s)sage, sage-greenof the grey-green color of sage leaves