Willingly
Will stands for:
- generally in accordance with one's own volition, see will
- philosophical for ethical self-determination, see free will
- medically the conscious control of body functions, see arbitrariness (medicine)
- legally an arrangement of a legal transaction made at the discretion of the legal subject, see declaration of intent
See also:
Wiktionary: willingly - explanations of meanings, word origins, synonyms, translations