invigorate

v. 鼓舞，激励

invertebrate, inverted, inverted commas, inverted snob, invest, investigate, investigation, investigative, investigator, investiture, investment, investor, inveterate, inveterately, invidious, invidiously, invidiousness, invigilate, invigilation, invigilator, invigorating, invigoratingly, invigoration, invincibility, invincible, invincibly, inviolability, inviolable, inviolably, inviolate, invisibility, invisible, invisible ink, invisible mending, invisibly, invitation, invite, invite sb. to (sth.,a place), inviting, invitingly,