Stultify can describe how someone's actions reduce the seriousness or effectiveness of something. When he joked during the presentation, it stultified the seriousness of the topic.
Pro Tip 2/3
Negative Context
Often used in a negative context, implying a deterioration of quality or value. Her dismissive comments stultified the team's proposal.
Pro Tip 3/3
Hint of Ridicule
May carry a connotation of ridiculing or making something appear absurd. His oversimplification stultified the complexity of the issue.