Definition of certes in English:

certes

adverb

archaic
  • Assuredly; I assure you.

    • ‘What seemed an eternity yet for certes was but a few moments I struggled to free myself from the carnage and whence I gained my feet stood amongst the mixed forces of those who did survive.’
    • ‘For certes I knew not.’
    • ‘For certes it was later than I had bargained and at this late of an hour it was unlikely that I would find a winsome partner.’

Origin

Middle English: from Old French, based on Latin certus ‘settled, sure’.

Pronunciation

certes

/ˈsərdiz//ˈsərdēz/