beforehand beforehand /bɪˈfɔrˌhænd/

adjective

1. Being ahead of time or need  ( advance , beforehand )
   being ahead of time or need
    Gave advance warning
   gave advance warning
    Was beforehand with her report
   was beforehand with her report
   

adverb

1. Ahead of time; in anticipation  ( beforehand , ahead , in advance )
   ahead of time; in anticipation
    When you pay ahead (or in advance) you receive a discount
   when you pay ahead (or in advance) you receive a discount
    We like to plan ahead
   We like to plan ahead
    Should have made reservations beforehand
   should have made reservations beforehand