freethinker (plural freethinkers)
- A person who has formed their opinions using reason and rational enquiry; somebody who has rejected dogma, especially with regard to religion.
- (religionists) religion, religionist; Baha'i, Buddhist, Christian, Confucianist, deist, Druid, Eckist, heathen, Hindu, Jain, Jew, Muslim, pagan, Rastafarian, Raëlian, Shintoist, Sikh, Taoist, Unitarian Universalist, Wiccan, Zoroastrian (Category: en:Religion) 
- Danish: fritænker (calque)
- French: libre-penseur (calque)
- German: Freidenker (calque)
person who has formed their opinions using reason and rational enquiry