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She agreed to help willingly.
She agreed to help because she wanted to, not because she was forced.
in a way that shows a person is ready and happy to do something
He offered to carry the heavy bags willingly.
He offered to carry the heavy bags because he wanted to help.
The volunteers worked willingly during the disaster relief.
The volunteers worked during the disaster relief because they wanted to help.
Often used to emphasize that someone is doing something without being forced or pressured.
Use 'willingly' to show that someone is doing something because they want to, not because they have to.
From Middle English 'willyngly', from Old English 'willing' (adjective) + '-ly' (suffix forming adverbs).
Often used to contrast with forced or reluctant actions. Can be used in both formal and informal contexts.