thinker [thinkers]◼◼◼(one who spends time thinking) noun [UK: ˈθɪŋkə(r)] [US: ˈθɪŋkər]
libre-penseusenom {f}
freethinker [freethinkers]◼◼◼(person who has formed his or her opinions using reason and rational enquiry) noun [UK: ˈfriː.ˌθɪŋkə(r)] [US: ˈfriː.ˌθɪŋkər]