| verb | be undecided about something; waver between conflicting positions or courses of action “He oscillates between accepting the new position and retirement” |
| verb | move to and fro “The shy student lingered in the corner” |
| verb | hang in the air; fly or be suspended above |
| verb | be suspended in the air, as if in defiance of gravity “The guru claimed that he could levitate” |
| verb | hang over, as of something threatening, dark, or menacing “The terrible vision brooded over her all day long” |
| vacillant | adjective | uncertain in purpose or action |
| vacillation | noun | indecision in speech or action |
| vacillator | noun | one who hesitates (usually out of fear) |
| oscillation | noun | the process of oscillating between states |
| levitation | noun | the phenomenon of a person or thing rising into the air by apparently supernatural means |