age of reason(n = noun.group) enlightenment - a movement in Europe from about 1650 until 1800 that advocated the use of reason and individualism instead of tradition and established doctrine; "the Enlightenment brought about many humanitarian reforms"
is a kind of reform movement, age, historic period

age, age bracket, age class, age group, age limit, age norm, age of consent, age of fishes, age of mammals, age of man, age of reptiles, age old, bone age, bronze age, chronological age, come of age, developmental age, drinking age, elizabethan age, eolithic age, fertilization age, fetal age, for some reason, gestational age, golden age, ice age, information age, iron age, legal age, mental age, mesolithic age, middle age, neolithic age, new stone age, of age, old age, paleolithic age, reason, reason out, reason to believe, silver age, space age, stone age, stone age man, tender age, victorian age, voting age, with reason, within reason, without rhyme or reason