sage (adjective):
wise through reflection and experience

sage (adjective):
grave solemn

sage (adjective):
proceeding from or characterized by wisdom, prudence, and good judgment (sage advice)

sage (noun):
one (as a profound philosopher) distinguished for wisdom

sage (noun):
a mature or venerable man of sound judgment

sage (noun):
a European perennial mint (Salvia officinalis) with grayish-green aromatic leaves used especially in flavoring meats

sage (noun):
salvia

sage (noun):
the fresh or dried leaves of sage