privily (adv.)
secretly, privately, stealthily
3H6 I.ii.39 [York to Richard, of Norfolk] Thou ... shalt ... tell him privily of our intent
H8 I.i.183 [Buckingham to Norfolk, of Emperor Charles] He privily / Deals with our Cardinal
KL III.iii.13 [Gloucester to Edmund, of Lear] I will look him and privily relieve him
MM I.i.67 [Duke to Angelo] I'll privily away