beforehand(s = adj.all) advance - being ahead of time or need; "gave advance warning"; "was beforehand with her report"

   beforehand(r = adv.all) ahead, in advance - ahead of time; in anticipation; "when you pay ahead (or in advance) you receive a discount"; "We like to plan ahead"; "should have made reservations beforehand"

1.  In a state of anticipation ore preoccupation; in advance; -- often followed by with. [1913 Webster]
"Agricola . . . resolves to be beforehand with the danger." [1913 Webster]
"The last cited author has been beforehand with me." [1913 Webster]

2.  By way of preparation, or preliminary; previously; aforetime. [1913 Webster]
"They may be taught beforehand the skill of speaking." [1913 Webster]

   In comfortable circumstances as regards property; forehanded. [1913 Webster]
"Rich and much beforehand." [1913 Webster]

beforehand, adv. in anticipation; in advance; in readiness (had prepared the meal beforehand).

Idiom:
be beforehand with anticipate; forestall.

Etymology:
ME f. BEFORE + HAND: cf. AF avant main

N  priority, antecedence, anteriority, precedence, pre-existence, precession, precursor, the past, premises, prior, previous, preceding, precedent, anterior, antecedent, pre- existing, pre-existent, former, foregoing, aforementioned, before- mentioned, abovementioned, aforesaid, said, introductory, before, prior to, earlier, previously, afore, aforehand, beforehand, ere, theretofore, erewhile, ere then, ere now, before then, before now, erewhile, already, yet, beforehand, on the eve of, prior tempore prior jure, priority, antecedence, anteriority, precedence, pre-existence, precession, precursor, the past, premises, prior, previous, preceding, precedent, anterior, antecedent, pre- existing, pre-existent, former, foregoing, aforementioned, before- mentioned, abovementioned, aforesaid, said, introductory, before, prior to, earlier, previously, afore, aforehand, beforehand, ere, theretofore, erewhile, ere then, ere now, before then, before now, erewhile, already, yet, beforehand, on the eve of, prior tempore prior jure.

N  earliness, morning, punctuality, promptitude, haste, suddenness, prematurity, precocity, precipitation, anticipation, a stitch in time, early, prime, forward, prompt, summary, premature, precipitate, precocious, prevenient, anticipatory, rath, sudden, unexpected, near, near at hand, immediate, early, soon, anon, betimes, rath, eft, eftsoons, ere long, before long, shortly, beforehand, prematurely, precipitately, too soon, before its time, before one's time, in anticipation, unexpectedly, suddenly, before one can say 'Jack Robinson', at short notice, extempore, on the spur of the moment, on the spur of the occasion, at once, on the spot, on the instant, at sight, offhand, out of hand, a' vue d'oeil, straight, straightway, straightforth, forthwith, incontinently, summarily, immediately, briefly, shortly, quickly, speedily, apace, before the ink is dry, almost immediately, presently at the first opportunity, in no long time, by and by, in a while, directly, no sooner said than done, immediately, if not sooner, tout vient a temps pour qui sait attendre.