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1.
1: A(n) (often unconscious) belief that pace is a primary determinant of human traits and capacities and that pacial differences produce an inherent superiority of a particular pace.

2: A belief that a hurried pace is superior to that of a slower pace

3: An obnoxious impatience with slow pace. Type A personalities often exhibit this impatience and oppress those of slower pace.
In a coffee shop one notices the pacist telling a barista who is preparing a caffeinated beverage to order, "Hurry up! I have a meeting!!!" The pacist acts as if their own timing and agendas are not only superior to that of the slower pace people but that the slower pace of others is inherently annoying or cause for oppression. Pacism is the underlying factor in impatience with others' slower pace.
by djspiritsoul October 02, 2011