practise on / upon (v.) Old form(s): practis'd
plot against
H5 II.ii.99[King Henry to Scroop] Wouldst thou have practised on me, for thy use?
KL III.ii.57[Lear as if to a criminal] That under covert and convenient seeming / Hath practised on man's life
RJ III.v.210[Juliet to Nurse] alack, that heaven should practise stratagems / Upon so soft a subject as myself!
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