hover - verb

• be undecided about something; waver between conflicting positions or courses of action
• move to and fro
• hang in the air; fly or be suspended above
• be suspended in the air, as if in defiance of gravity
• hang over, as of something threatening, dark, or menacing

hover - thesaurus

brood   levitate   linger   loom   oscillate   vacillate   vibrate