mutually

/ˈmjuːtʃuəli/
adverb
  1. In a way that is felt or done by two or more people toward each other; reciprocally.
    • The friends mutually supported each other through difficult times.
    • They mutually decided to end their partnership after the disagreement.
    • The two countries agreed to mutually reduce trade barriers.
Antonyms
What does "mutually" mean? | whatsthatwordmean | whatsthatwordmean