third way

noun2

1. •
   An approach or solution which strives for an alternative to or middle ground between two opposing viewpoints.

   • It is a place of no compromise, thought Guillam, a place of no third way. — 1979
2. •
   An ideology which seeks to find middle ground between right- and left-wing politics, associated during the 1990s with various centre-left political parties in Western Europe, Australia, and New Zealand.