stultify
stul.ti.fy \'st*l-t*-.fi-\ vt [LL stultificare to make foolish, fr. L stultus foolish; akin to L]stolidus stolid 1: to allege or prove to be of unsound mind and not responsible 2a: to cause to appear or be stupid, foolish, or absurdly illogical 2b: to impair, invalidate, or reduce to futility esp. through debasing or repressive influences