free-thinking

The compound 'free-thinking' is a relatively modern English formation, emerging in the late 17th century. It directly combines the native English word 'free', with its deep Proto-Germanic roots in concepts of love and belonging that evolved to mean liberty, with the equally native word 'thinking', from a root meaning 'to seem or feel'. The term was originally used, often critically, to describe those who rejected orthodox religious doctrines in favor of rational, independent inquiry. Over time, its application broadened to describe an intellectual attitude of forming one's own judgments independently of authority or tradition in any field, perfectly capturing the literal sense of 'independent thought'.

Structure: free (independent) + thinking (thought) - free: From Old English 'frēo' (not in bondage, acting of one's own will). In this compound, it functions as an adjective meaning 'independent, unrestricted'. - thinking: From Old English 'þencan' (to conceive in the mind, consider). In this compound, it functions as a noun meaning 'the process of thought or judgment'.