Definitions for unionistic
Random House Webster's College Dictionary
un•ion•ismˈyun yəˌnɪz əm(n.)
the principle of union, esp. trade unionism.
(cap.) loyalty to the federal union of the U.S., esp. during the Civil War.
Category: American History
Origin of unionism:
Of or pertaining to union or unionists; tending to promote or preserve union.
of or pertaining to union or unionists; tending to promote or preserve union