An assurance that someone is healthy or something is in good condition.

Roget 654: health, sanity; soundness etc. adj.; vigor; good health, perfect health, excellent health, rude health, robust health; bloom.    mens sana in corpore sano [Lat.]; Hygeia^†; incorruption, incorruptibility; good state of health, clean bill of health; eupepsia^†; euphoria, euphory^†; St.    Anthony's fire^†.    ... show more