1) Believing in predestination 2) Religious doctrine 3) Theological doctrine 1) Determinist 2) Predestinationist 
• (n.) One who believes in or supports the doctrine of predestination. • (a.) Of or pertaining to predestination; as, the predestinarian controversy.
Pre·des`ti·na'ri·an adjective Of or pertaining to predestination; as, the predestinarian controversy. Waterland. 
predestinarian, predestinarianism Someone who believes or maintains the theological doctrine of predestination, especially in an extreme form; a fatalist. Related before-word units: ante-; antero-; anti-; pro-. Related 'time' units: aevum, evum; archaeo-, archeo-; Calendars; chrono-; horo-; Quotes: ...
adjective of or relating to predestination; holding the doctrine of predestination
of or pertaining to predestination. · believing in predestination.