to bore (somebody) by being tedious or repetitive
to cause (something) to appear foolish or absurd
to make (something) futile or useless, esp through enfeeblement or repression
Centralization stultifies local initiative
stultification /-fiʹkaysh(ə)n/ noun
stultifier noun
stultifying adj
[late Latin stultificare to make foolish, from Latin stultus foolish]