vigor
nounPhysical or mental strength, energy, or force.
nounThe capacity for natural growth and survival, as of plants or animals.
nounStrong feeling; enthusiasm or intensity.
nounActive strength or force of body; physical force; a flourishing physical condition; also, strength of mind; mental health and power; by extension, force of healthy growth in plants.
nounStrength or force in general; powerful or energetic action; energy; efficacy; potency.
nounSynonyms Health, haleness, soundness, robustness, bloom, thriftiness.
nounMight, power.
To invigorate.
transitive verbTo invigorate.
nounActive strength or force of body or mind; capacity for exertion, physically, intellectually, or morally; force; energy.