/ seɪdʒ; NAmE / noun , adjective
■ noun
1.
[ U ] a plant with flat, light green leaves that have a strong smell and are used in cooking as a herb
2.
[ C ] ( formal ) a very wise person
■ adjective
( literary ) wise, especially because you have a lot of experience
► sage·ly adverb :
She nodded sagely.
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WORD ORIGIN
noun sense 1 Middle English : from Old French sauge , from Latin salvia healing plant, from salvus safe.
noun sense 2 and adjective Middle English (as an adjective): from Old French , from Latin sapere be wise.