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surely

/ˈʃɔːli/ adverb

In Latin: certē, quippe Wiktionary

adverb Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about surely at Wordnik → Where our words come from →

  1. Definitely or positively (`sure' is sometimes used informally for `surely').
    the results are surely encouraging

Origin

From Middle English surely; equivalent to sure + -ly.

From Wiktionary, via Kaikki.org (CC BY-SA)