1. As an adverb
   "the prepositional phrase here is used adverbially"

See also: adverbial

• peace offering
• peace officer
• peace pipe
• peace process
• peace treaty
• peace-loving
• peaceable
• peaceableness
• peaceably
• peaceful
• peacefully
• peacefulness
• peacekeeper
• peacekeeping
• peacekeeping mission
• peacekeeping operation
• peacemaker
• peacenik
• peacetime
• peach
• peach bell
• peach bells
• peach blight
• peach ice cream
• peach melba