Deception, beguilement, deceit, bluff, mystification, and subterfuge are acts to propagate beliefs that are not true, or not the whole truth (as in half-truths or omission). Deception can involve dissimulation, propaganda, sleight of hand. It can employ distraction, camouflage or concealment. There is also self-deception.
His practiced, conscious use of NLP in those strange, long-winded speeches of his provides abundant evidence of his willingness to deceive and manipulate others.
Cordially,