Deception
Overview
 
Deception, beguilement, deceit, bluff, mystification, bad faith
Bad faith
Bad faith is double mindedness or double heartedness in duplicity, fraud, or deception. It may involve intentional deceit of others, or self deception....

, and subterfuge are acts to propagate beliefs that are not true
Truth
Truth has a variety of meanings, such as the state of being in accord with fact or reality. It can also mean having fidelity to an original or to a standard or ideal. In a common usage, it also means constancy or sincerity in action or character...

, or not the whole truth (as in half-truths
Half-truths
A half-truth is a deceptive statement that includes some element of truth. The statement might be partly true, the statement may be totally true but only part of the whole truth, or it may utilize some deceptive element, such as improper punctuation, or double meaning, especially if the intent is...

 or omission). Deception can involve dissimulation
Dissimulation
Dissimulation is a form of deception in which one conceals the truth. It consists of concealing the truth, or in the case of half-truths, concealing parts of the truth, like inconvenient or secret information. Dissimulation differs from simulation, in which one exhibits false information...

, propaganda
Propaganda
Propaganda is a form of communication that is aimed at influencing the attitude of a community toward some cause or position so as to benefit oneself or one's group....

, and sleight of hand
Sleight of hand
Sleight of hand, also known as prestidigitation or legerdemain, is the set of techniques used by a magician to manipulate objects such as cards and coins secretly....

. It can employ distraction, camouflage or concealment. There is also self-deception
Self-deception
Self-deception is a process of denying or rationalizing away the relevance, significance, or importance of opposing evidence and logical argument...

 as in bad faith
Bad faith
Bad faith is double mindedness or double heartedness in duplicity, fraud, or deception. It may involve intentional deceit of others, or self deception....

.

Deception is a major relational transgression that often leads to feelings of betrayal and distrust between relational partners.
 
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