serve (v.) 3
provide opportunity [to], be favourable [to], favour
3H6 III.iii.236 [Lewis to Warwick, of sending troops to England] as occasion serves, this noble Queen ... shall follow with a fresh supply
3H6 IV.vii.77 [Edward to all] If fortune serve me, I'll requite this kindness
JC IV.iii.221 [Brutus to Cassius] we must take the current when it serves, / Or lose our ventures
RJ IV.i.39 [Friar to Juliet] My leisure serves me ... now
Tim V.i.42 [Painter to Poet] When the day serves, before black-cornered night, / Find what thou wantest by free and offered light
TS I.i.38 [Tranio to Lucentio, of mathematics and metaphysics] Fall to them as you find your stomach serves you