[ree-zuh nd]


based on reason: a carefully reasoned decision.
containing reasons: a long, reasoned reply.

Origin of reasoned

First recorded in 1675–85; reason + -ed2
Related formsrea·soned·ly, adverbun·rea·soned, adjectivewell-rea·soned, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for well-reasoned


adjective (well reasoned when postpositive)

logically argued with skill or care



well thought-out or well presenteda reasoned explanation
Derived Formsreasonedly, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012