Projection

[Sarah]

The representation of something; delineation; plan; especially,the representation of any object on a perspective plane, or such adelineation as would result were the chief points of the objectthrown forward upon the plane, each in the direction of a line drawnthrough it from a given point of sight, or central point; as, theprojection of a sphere. The several kinds of projection differaccording to the assumed point of sight and plane of projection ineach.

[Sarah]

Projection (Psychological)

An unconscious self-defence mechanism characterised by a person unconsciously attributing their own issues onto someone or something else as a form of [delusion] and [denial].

A way to blame others for your own negative thoughts by repressing them and then attributing them to someone else. Due to the sorrowful nature of [delusion] and [denial] it is very difficult for the target to be able to clarify the reality of the situation.

A way to transfer guilt for your own thoughts, emotions and actions onto another as a way of not admitting your guilt to yourself.

[Sarah]

Psychology. a. the tendency to ascribe to another person feelings, thoughts, or attitudes present in oneself, or to regard external reality as embodying such feelings, thoughts, etc., in some way.
b. Psychoanalysis. such an ascription relieving the ego of a sense of guilt or other intolerable feeling.

[Sarah]

A [sociological] phenomenon where members one group of people accuse members of another group of feeling or acting in a manner that they themselves are engaging in, often to divert attention from their own behavior . It is particularly common among groups living with high levels of fear or [resentment].

[Gregory]

An estimate or forecast of a future situation based on a study of present trends.