synergistically

American  

[sin-er-jis-tik-lee] / ˌsɪn ərˈdʒɪs tɪk li /

adverb

1. interactively or cooperatively so that each element or party increases the effect of the other.

   Supplementary education about infant care can act synergistically with increased health funding to improve children's well-being.

   This formulation for skin cell regeneration comprises 4 peptides that work synergistically to help give your appearance a long-lasting, youthful glow.

---

Etymology

Origin of synergistically

synergistic ( def. ) + -ally ( def. )