Related Clues:
- Subtle endorsements
- Communicates nonverbally, in a way
- "Yes" signals
- Subtle approvals
- Expressions of agreement
- Welcome responses from an audience
- Gestures of agreement
- Up-and-down head signals
- Signals ''yes'' with one's head
- Approving gestures
- Unspoken agreements
- Head gestures
- Agrees without words
- Silent okays
- Shows interest ... or a lack of it