conspire (v.)
practise, contrive, plot
Oth III.iii.141[Othello to Iago] Thou dost conspire against thy friend
TC V.i.59[Thersites alone] to be Menelaus I would conspire against destiny
TG I.ii.43[Julia to Lucetta] Dare you ... whisper and conspire against my youth?
SHAKESPEARE'S WORDS © 2018 DAVID CRYSTAL & BEN CRYSTAL