Synonyms of instrumental in English:

instrumental

adjective

  • 1 the space program has always been instrumental in our efforts to make medical advances
    involved, active, influential, contributory; helpful, useful, of service; significant, important, crucial, critical, essential, pivotal, key; (be instrumental in)play a part in, contribute to, be a factor in, have a hand in; add to, help, promote, advance, further; be conducive to, lead to, cause
  • Definition of instrumental in:

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    Word of the day ween
    Pronunciation: wēn
    verb
    be of the opinion; think or suppose