certainly
cer·tainly
adverb
1.
definitely or positively (`sure'' is sometimes used informally for `surely'')
- “the results are surely encouraging”
- “she certainly is a hard worker”
- “it”
- “;”
- “;”
Origin
From Middle English certeynly; equivalent to certain + -ly.
Related words
Pertaining to
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.