from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. Archaic spelling of certainly.
Sorry, no etymologies found.
Of this also we haue most true experience, and most certaynely assure you that there is neyther iron or steele or the magnes stone that should so make the toombe of Mahumet to hange in the ayre, as some haue falsely imagined; neyther is there any mountayne nearer than foure myles: we remayned here three dayes to refreshe our company.
And he would discover, certaynely, if his shipwrights did him wrong.