WordWeb Online

1. Provided with a floor

1. Greatly surprise
   "I was floored when I heard that I was promoted";
   - shock, ball over, blow out of the water, take aback
    
2. Knock down with force
   "He floored his opponent";
   - deck [informal], coldcock [N. Amer, informal], dump, knock down
    
3. Silence by a conclusive answer, surprise response, etc.
   "We were floored by his confession"
    
4. Cover or supply with a floor

Type of: beat, surprise

Antonym: ceilinged

Encyclopedia: Floored