A person who is broad-minded and tolerant (especially in standards of religious belief and conduct)

Wiktionary Word definitions in Wiktionary
a. 1 Not restrained; not confined by precise limits. 2 tolerant, especially of other people's religious views. 3 Lax in moral or religious principles. n. A person who is tolerant of others' religious views.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Latitudinarian \Lat`i*tu`di*na"ri*an\, a. [Cf. F. latitudinaire.] Not restrained; not confined by precise limits. Indifferent to a strict application of any standard of belief or opinion; hence, deviating more or less widely from such standard; lax in doctrine; ...

Wikipedia Word definitions in Wikipedia
Latitudinarian was initially a pejorative term applied to a group of 17th-century English theologians who believed in conforming to official Church of England practices but who felt that matters of doctrine, liturgical practice, and ecclesiastical organization ...

WordNet Word definitions in WordNet
adj. unwilling to accept authority or dogma (especially in religion) [syn: free-thinking , undogmatic , undogmatical ] n. a person who is broad-minded and tolerant (especially in standards of religious belief and conduct)

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1660s, "characterized by broad-mindedness," especially in reference to Episcopal clergymen indifferent to doctrinal details; from Latin latitudin- , from latitude in its meaning "freedom from narrow restrictions" (c.1600). Related: Latitudinarianism .