An ethical system which emphasizes human values and the personal worth of each individual, as well as concern for the dignity and freedom of humankind.

Indifference to, or rejection of, RELIGION or religious considerations. (From Merriam-Webster's Collegiate Dictionary, 10th ed)

A legal concept that an accused is not criminally responsible if, at the time of committing the act, the person was laboring under such a defect of reason from disease of the mind as not to know the nature and quality of the act done or if the act was known, to not have known that what was done was wrong. (From Black's Law Dictionary, 6th ed)

The units based on political theory and chosen by countries under which their governmental power is organized and administered to their citizens.

Time period from 1401 through 1500 of the common era.

Time period from 1601 through 1700 of the common era.