Definition of "age of reason" []

• An era in which rationalism prevails, especially the period of the Enlightenment in England, France, and the United States. (noun)
• An age at which a person is considered capable of making reasoned judgments. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Each sect has an initiation rites, which is conferred upon the young at the age of reason and in which the officiating guru puts"
• "For those under puberty, there begins with the age of reason the obligation of observing the moral law and those precepts of the Church from which they are not exempt by their age, notably the obligation to receive the Sacraments; such minors therefore are capable of sinning although their responsibility is less in proportion as they are nearer childhood; for this reason they are not liable to the penalties of the forum externum, except where this is specially provided."
• "Prima facie, one would expect that the transition from the age of faith to the age of reason would have diminished the relish for casuistical disquisitions, but on closer inspection the opposite is seen to be the case."