harmonise in WordNet English dictionary

1. go together
   "The colors don't harmonize"; "Their ideas concorded"
   harmonize  harmonise  consort  accord  concord  fit in  agree 
   
2. bring into consonance, harmony, or accord while making music or singing
   harmonize  harmonise  chord 
   
3. bring into consonance or accord
   "harmonize one's goals with one's abilities"
   harmonize  harmonise  reconcile 
   
4. bring (several things) into consonance or relate harmoniously
   "harmonize the different interests"
   harmonize  harmonise 
   
5. sing or play in harmony
   harmonize  harmonise 
   
6. write a harmony for
   harmonize  harmonise 
   

harmonise in English Wiktionary