willingly
Definitions
In a manner that shows readiness or eagerness to do something.
Without reluctance or compulsion; voluntarily.
Examples
She willingly accepted the extra responsibilities at work to help her team succeed.
The volunteers willingly gave up their weekend to help clean up the local park.
Synonyms
voluntarily readily eagerly gladly freely cheerfully enthusiastically
Antonyms
reluctantly unwillingly grudgingly hesitantly involuntarily compulsorily forcedly