Sage carries its own name for wisdom. In the kitchen and in folk custom it is read as clearing the air, cleansing and calm good sense.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.