registration

noun6

1. •
   the act of entering a person in an official record in order to join or take part

   • Complete the registration process.
2. •
   That which registers or makes something official, e.g. the form or paper that registers.

   • Did you submit your car registration yet?
3. •
   (UK) Ellipsis of registration number.

   • Did you get their registration?
4. •
   The location where guests register, especially with a hotel.

   • The elevators are just past registration.
5. •
   Alignment, e.g. of colors or other elements in a printing process.
6. •
   The art of selecting and combining the stops or registers of an organ.