harmoniously

adverb
1
in a way that is friendly, peaceful and without any arguments
مسالمت‌آمیز, در صلح و صفا, دوستانه
2
in a way that is pleasant because it is arranged so that each part goes well with the others
به طور هماهنگ, به صورت هم‌آهنگ, هم‌آهنگانه
All the materials used blend harmoniously.
synonym pleasingly
3
in a way that sounds pleasant when playing or singing together
به طور هماهنگ, به شیوه‌ی هارمونیک
They sang harmoniously and danced the routines with style.