unfold (v.) 2
identify, disclose, reveal
Ham I.i.2 [Francisco to Barnardo] Stand and unfold yourself
KL I.i.280 [Cordelia to Gonerill and Regan] Time shall unfold what plighted cunning hides
Oth IV.ii.140 [Emilia to Iago, of people who would slander Desdemona] O heaven, that such companions thou'dst unfold
Oth V.i.21 [Iago to himself, of Cassio] the Moor / May unfold me to him