willingly
🇺🇸
/ˈwɪlɪŋli/
🇬🇧
/ˈwɪlɪŋli/
doing something because you want to, not because you have to
She willingly shared her lunch with her friend who forgot theirs.
saying yes to something because you want to do it
When asked to help clean up, he said 'willingly' and started right away.