sac·ra·men·tal·ism 
(săk′rə-mĕntl-ĭz′əm)
(săk′rə-mĕntl-ĭz′əm)n.
1. The doctrine that observance of the sacraments is necessary for salvation and that such participation can confer grace.
2. Emphasis on the efficacy of a sacramental.
sac′ra·mental·ist n.