harmonious
     adj 1: musically pleasing [ant: {inharmonious}]
     2: exhibiting equivalence or correspondence among constituents
        of an entity or between different entities [syn: {proportionate},
         {symmetrical}]
     3: suitable and fitting; "the tailored clothes were harmonious
        with her military bearing" [syn: {appropriate}]
     4: existing together in harmony; "harmonious family
        relationships"
Source: WordNet® 2.0