1. In an overbearingly domineering manner; as a dictator
   - dictatorially, autocratically, bossily 
2. In an authoritative and magisterial manner
   - authoritatively

See also: magisterial

• Dame Sybil Thorndike
• Dame's violet
• Damgalnunna
• daminozide
• Damkina
• dammar
• dammar pine
• dammar resin
• dammit
• damn
• damn it
• damnable
• damnably
• damnation
• damnatory
• damndest
• damned
• damnedest
• damnify
• damning
• Damocles
• damoiselle
• Damon
• Damon and Pythias
• Damon Runyon