invitation

n.邀请；邀请书，请柬；鼓励，激起，引发

invidiousness, invigilate, invigilation, invigilator, invigorate, invigorating, invigoratingly, invigoration, invincibility, invincible, invincibly, inviolability, inviolable, inviolably, inviolate, invisibility, invisible, invisible ink, invisible mending, invisibly, invite, invite sb. to (sth.,a place), inviting, invitingly, invocation, invoice, invoke, involuntarily, involuntariness, involuntary, involute, involuted, involution, involve, involved, involvement, involvement in, invulnerability, invulnerable, inward,