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
Synonyms: dynamism, heartiness, vigor, vigour
Definition: active strength of body or mind
Similar words: strength
Definition: the property of being physically or mentally strong
Usage: fatigue sapped his strength