Merriam-Webster's Collegiate® Dictionary, 11th Edition
REVERENCE
I. noun
Etymology: Middle English, from Anglo-French, from Latin reverentia, from reverent-, reverens respectful, reverent
Date: 14th century
honor or respect felt or shown ; deference , a gesture of respect (as a bow), the state of being revered, one held in reverence, see: honor
II. transitive verb (-enced; -encing)
Date: 14th century
to regard or treat with reverence, see: revere reverencer noun