1. In a servile manner
   "he always acts so deferentially around his supervisor"
   - submissively 
2. In a respectfully deferential manner
   "he listened deferentially"

See also: deferential

• catalyst
• catalytic
• catalytic converter
• catalytic cracker
• catalytically
• catalyze
• catamaran
• catamenia
• catamenial
• catamite
• catamount
• catamountain
• catananche
• Catananche caerulea
• cataphasia
• cataphatic
• cataphatism
• cataphoresis
• cataphoretic
• cataphract
• cataphyll
• backhand stroke
• backhanded
• backhander
• backhaul