In a manner that is funny or entertaining; in a way that causes amusement.
From amusing (present participle of amuse) plus the adverb-forming suffix -ly, creating an adverb describing how something is done in an amusing way.
Amusingly is a writer's favorite word because it sneaks humor into storytelling—when you say something happened 'amusingly,' you're inviting readers to laugh along with the narrator!
Complete word intelligence in one call. Free tier — 50 lookups/day.