gro·tian \ˈgrōsh(ē)ən\adjective Usage: usually capitalized Etymology: Hugo Grotius died 1645 Dutch statesman + English -an : of or relating to Grotius or his legal and theological theories < the Grotian conception of Christ's death — Williston Walker > • gro·tian·ism\-ˌnizəm\noun-susually capitalized