Invigor(v. t.) To invigorate.
Invigorate(v. t.) To give vigor to; to strengthen; to animate; to give life and energy to.
Invigorated(imp. & p. p.) of Invigorate
Invigorating(p. pr. & vb. n.) of Invigorate
Invigoration(n.) The act of invigorating, or the state of being invigorated.

Words within invigorates