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synergistic

[sin-er-jis-tik]
adjective
  1. pertaining to, characteristic of, or resembling synergy: a synergistic effect.
  2. Chemistry, Pharmacology, Physiology. acting as a synergist; producing synergism; interacting.
  3. Theology. of or relating to theological synergism or synergists.

Origin of synergistic

1810–20; synerg(ism) or synerg(ist) + -istic
Related formssyn·er·gis·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for synergistically

synergistic

synergetic (ˌsɪnəˈdʒɛtɪk)

adjective
  1. acting together
  2. (of people, groups, or companies) working together in a creative, innovative, and productive manner
Derived Formssynergistically or synergetically, adverb

Word Origin for synergistic

C17: from Greek sunergētikos, from syn- + -ergētikos, from ergon work; see energy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for synergistically

synergistic

adj.

1818 in theology; 1876 in medicine, from synergist + -ic. Related: Synergistically.

Online Etymology Dictionary, © 2010 Douglas Harper
synergistically in Medicine

synergistic

[sĭn′ər-jĭs′tĭk]
adj.
  1. Of or relating to synergy or a synergist.
  2. Producing or capable of producing synergy.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.