Source : Webster's Revised Unabridged Dictionary (1913)

Innerve \In*nerve"\, v. t. [imp. & p. p. {Innerved}; p. pr. &
   vb. n. {Innerving}.] [Pref. in- in + nerve.]
   To give nervous energy or power to; to give increased
   energy,force,or courage to; to invigorate; to stimulate.