certes (adv.)
certainly, assuredly, without doubt
CE IV.iv.73 [Dromio of Ephesus to Antipholus of Ephesus, of the maid's taunting] Certes she did
H8 I.i.48 [Norfolk to Buckingham, of the organiser of the celebrations] One, certes, that promises no element / In such a business
LLL IV.ii.160 [Holofernes to Nathaniel, of the Bible supporting the idea that good company is happiness] And, certes, the text most infallibly concludes it
Oth I.i.16 [Iago to Roderigo, quoting Othello] Certes ... / I have already chose my officer
Tem III.iii.31 [Gonzalo to all] certes, these are people of the island