harmoniously

From harmonious + -ly.

harmoniously (comparative more harmoniously, superlative most harmoniously)

1. In a harmonious manner; coordinately.
   • 1834, L[etitia] E[lizabeth] L[andon], chapter XXX, in Francesca Carrara. […], volume III, London: Richard Bentley, […], (successor to Henry Colburn), →OCLC, page 249:

     Close beside a tranquil pool, for the moonbeams melted harmoniously into its quiet depths, was an old tree.

   • 1957 October, M. D. Greville and G. O. Holt, “Railway Development in Manchester—2”, in Railway Magazine, page 726:

     They, therefore, began to work more harmoniously, and finally were amalgamated on August 13, 1859, […] .

   • 2019 February 19, “Green Fillers for Flower Arrangements”, in Danzinger Online‎^[1], Danzinger:

     Danziger’s new Green Dragon, a delicate and airy Lepidium, is a unique green filler for flower arrangements that blends harmoniously in any centerpiece or bouquet.