vigor

owing to; resulting from; derivable from; due to; caused by; dependent upon; derived from, evolved from; derivative; hereditary; telegonous.

healthy, healthful; in health; well, sound, hearty, hale, fresh, green, whole; florid, flush, hardy, stanch, staunch, brave, robust, vigorous, weatherproof., unscathed, uninjured, unmaimed, unmarred, untainted; sound of wind and limb, safe and sound., on one's legs; sound as a bell; fresh as a daisy, fresh as a rose, fresh as April; hearty as a buck; in fine feather, in high feather; in good case, in full bloom; pretty bobbish, tolerably well, as well as can be expected., sanitary (health-giving) [more]; sanatory (remedial).

living, alive; in life, in the flesh, in the land of the living; on this side of the grave, above ground, breathing, quick, animated; animative; lively (active); all alive and kicking; tenacious of life., vital, vitalic; vivifying, vivified; viable, zoetic; Promethean.

powerful, puissant; potential; capable, able; equal to, up to; cogent, valid; efficient; effective, effectual, efficacious, adequate, competent; multipotent, plenipotent, omnipotent; almighty., forcible (energetic); influential; productive.

strong, mighty, vigorous, forcible, hard, adamantine, stout, robust, sturdy, hardy, powerful, potent, puissant, valid., resistless, irresistible, invincible, proof against, impregnable, unconquerable, indomitable, dominating, inextinguishable, unquenchable; incontestable; more than a match for; overpowering, overwhelming; all powerful, all sufficient; sovereign., able-bodied; athletic; Herculean, Cyclopean, Atlantean; muscular, brawny, wiry, well-knit, broad-shouldered, sinewy, strapping, stalwart, gigantic.