Real Dictionary

invite
countable noun: An invite is an invitation to something such as a party or a meal.
verb: If something you say or do invites trouble or criticism, it makes trouble or criticism more likely.
verb: If you are invited to do something, you are formally asked or given permission to do it.
verb: If you invite someone to something such as a party or a meal, you ask them to come to it.

invite in American English
to ask courteously to come somewhere or do something; request the presence or participation of
intransitive verb: to give invitation; offer attractions or allurements
noun: an invitation
transitive verb: to request the presence or participation of in a kindly, courteous, or complimentary way, esp. to request to come or go to some place, gathering, entertainment, etc., or to do something

invite in British English
noun
verb: to ask (a person or persons) in a friendly or polite way (to do something, attend an event, etc)