People with an IQ of 100 ("Normal or average intelligence") are two standard deviations from people with an IQ of 70 ("Definite feeble-mindedness").<p>People with an IQ of 130 ("Very superior intelligence") are two standard deviations from people with an IQ of 100.<p>A normal person will have to change basic communication skills to be found engaging by a feeble-minded person.<p>Likewise, an intelligent person will need to accommodate a normal person.<p>The term condescension has come to have a pejorative connotation[1] but is actually fitting in this context.<p>[1] Compare Webster's 1828 Dictionary:
condescension, n. Voluntary descent from rank, dignity or just claims; relinquishment of strict right; submission to inferiors in granting requests or performing acts which strict justice does not require. <i>Hence, courtesy</i>.<p>- “It forbids pride and commands humility, modesty and condescension to others.”
- “Raphael, amidst his tenderness, shows such a dignity and condescension in all his behavior, as are suitable to a superior nature.”<p>With Merriam-Webster's Online Dictionary, 11th Edition:
condescension, n.
1.	act or instance of condescending
2.	a patronizing manner or behavior