invitation
1. [ noun ] (writing) a request (spoken or written) to participate or be present or take part in something
Examples:

"an invitation to lunch" "she threw the invitation away"

Related terms: letter request bidding invite receive invite invite
2. [ adjective ] only invitees are welcome
Synonyms: invitational
Examples:

"an invitational tournament"

Related terms: invited
3. [ noun ] the act of enticing or alluring
Examples:

"she was an invitation to trouble"

Related terms: allure enticement invite
Similar spelling:   invitational
  inhabitation
  inhibition
  innovation
  inviting
  in_vitro
  innovational
  invitingly
  invitatory
  inpatient
  inhibiting
  invidia
  inhabitant
  infotainment
  inhabitancy
  infatuation
  inevitably
  inevitable