pioneering

verb
  1. 1

    To be the first to do or achieve (something), preparing the way for others to follow.

    โ€œThe young doctor pioneered a new life-saving surgical technique.โ€

noun
  1. 1

    The activity of the verb pioneer.

  2. 2

    A scoutcraft skill that involves building structures using staves and knots.

adjective
  1. 1

    Involving accomplishments or activities that have not been done before, or developing or using new methods or techniques.

    โ€œNorway as a polar nation would not have been what it is today without their tireless pioneering efforts. [Roald Amundsen and Fridtjof Nansen]โ€

Source: https://en.wiktionary.org/wiki/pioneer, https://en.wiktionary.org/wiki/pioneering