in advance
adj : situated ahead or going before; "an advance party"; "at that
time the most advanced outpost was still east of the
Rockies" [syn: {advance(a)}, {advanced(a)}, {in
advance(p)}]
adv : ahead of time; in anticipation; "when you pay ahead (or in
advance) you receive a discount"; "We like to plan
ahead"; "should have made reservatons beforehand" [syn:
{ahead}, {beforehand}]