certainly

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
    

Related words

• Synonyms: 
  surely , sure , for sure , for certain , sure enough , sure as shooting