decisionism

noun2

1. •
   The doctrine that moral or legal precepts are the product of decisions made by political or legal bodies
2. •
   A theology that stresses the importance of the decision to become a Christian for salvation. Often this decision takes the form of the sinner's prayer.

   • The decisionism of today's SBC is problematic, but many of us remain unconvinced that dropping decision from our evangelistic vocabulary is a necessary response […]. — 2008