∙ A wise person or spiritual teacher; a man or woman of gravity and wisdom, especially, a teacher venerable for years, and of sound judgment and prudence; a grave or stoic philosopher.
Noun
∙ The plant Salvia officinalis and savory spice produced from it; also planted for ornamental purposes.
∙ Any plant in the genus Salvia
∙ Any of a number of plants such as sagebrush considered to be similar to Salvia officinalis, mostly because they are small shrubs and have gray foliage or are aromatic.
Interjection
∙ Word used in the email field of imageboards to prevent a bump of the post. Used as an option rather than a word in some imageboard software. Internet slang
Verb
∙ The act of using the word or option sage in the email field or a checkbox of an imageboard when posting a reply Internet slang