[ ree-zuh-nuh-buhl, reez-nuh- ]
/ ˈri zə nə bəl, ˈriz nə- /
agreeable to reason or sound judgment; logical: a reasonable choice for chairman.
not exceeding the limit prescribed by reason; not excessive: reasonable terms.
moderate, especially in price; not expensive: The coat was reasonable but not cheap.
endowed with reason.
capable of rational behavior, decision, etc.
Assume vs. PresumeThe words assume and presume both mean that you take something for granted as being true, but the difference is based on how certain you are. Assume is typically used in situations where someone takes something as the truth with a very low level of certainty or with no proof at all. Presume usually involves a higher level of certainty and is used in situations …
Origin of reasonable
SYNONYMS FOR reasonable
1 intelligent, judicious, wise, equitable. Reasonable, rational refer to the faculty of reasoning. Rational can refer to the reasoning faculty itself or to something derived from that faculty: rational powers; a rational analysis. It can also mean sane or sensible: She was no longer rational; a rational plan. Reasonable most often means sensible: A reasonable supposition is one which appeals to our common sense.
2 equitable, fair, just. See moderate.
rea·son·a·ble·ness, rea·son·a·bil·i·ty, nounrea·son·a·bly, adverbhalf-rea·son·a·ble, adjectivehalf-rea·son·a·bly, adverb
non·rea·son·a·bil·i·ty, nounnon·rea·son·a·ble, adjectivenon·rea·son·a·ble·ness, nounnon·rea·son·a·bly, adverbqua·si-rea·son·a·ble, adjectivequa·si-rea·son·a·bly, adverb
Can be confusedrational reasonable (see synonym study at the current entry)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for reasonability
/ (ˈriːzənəbəl) /
showing reason or sound judgment
having the ability to reason
having modest or moderate expectations; not making unfair demands
moderate in price; not expensive
fair; averagereasonable weather
Derived Formsreasonably, adverbreasonableness, noun
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
Idioms and Phrases with reasonability
see beyond a (reasonable) doubt.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.