mutually (adverb)

1. The two friends watched a scary movie together, clutching each other tightly and screaming mutually at every jump scare.

2. The comedian and the audience shared a laugh as they mutually found the punchline of the joke hilarious.

3. In the futuristic world of the novel, humans and robots worked and coexisted mutually to advance technology.

4. The two siblings delved into their shared imagination, creating a mutually enchanted world filled with magical creatures.