Added 9 October 2026 reasoned /ˈriːzənd/ adjective Categories: Describing WordsUncommon Words adjective ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about reasoned at Wordnik → Where our words come from → Logically valid. a sound argument Related Words: well-groundedconsideredvalidthoughtfulsoundrationalinformedenlightenedpremisedprincipledjustified Back to today's word