Synonyms: wholeheartedness
Definition: undivided commitment or unreserved enthusiasm
Similar words: willingness
Definition: cheerful compliance
Usage: he expressed his willingness to help
Synonyms: heartiness, wholeheartedness
Definition: the quality of hearty sincerity
Similar words: sincerity
Definition: the quality of being open and truthful; not deceitful or hypocritical
Usage: his sincerity inspired belief; they demanded some proof of my sincerity