'Certainly' definitions:

Definition of 'certainly'

From: WordNet
adverb
Definitely or positively (`sure' is sometimes used informally for `surely'); "the results are surely encouraging"; "she certainly is a hard worker"; "it's going to be a good day for sure"; "they are coming, for certain"; "they thought he had been killed sure enough"; "he'll win sure as shooting"; "they sure smell good"; "sure he'll come" [syn: surely, certainly, sure, for sure, for certain, sure enough, sure as shooting]

Definition of 'Certainly'

From: GCIDE
  • Certainly \Cer"tain*ly\, adv. Without doubt or question; unquestionably. [1913 Webster]

Synonyms of 'certainly'

From: Moby Thesaurus

Words containing 'Certainly'