noun: An approach or solution which strives for an alternative to or middle ground between two opposing viewpoints.
noun: (politics) 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 Europe, North America and Australia.
noun: Used other than figuratively or idiomatically: see third, way.
noun: Alternative letter-case form of third way [An approach or solution which strives for an alternative to or middle ground between two opposing viewpoints.]