Simple Definition of reckon
: to think or suppose (something) : to believe that (something) is true or possible
: to calculate or guess (an amount, number, value, etc.) : to have or form a general idea about (something)
: to think of (someone or something) as being something specified
Full Definition of reckon
reck·onedreck·on·ing play \ˈre-kə-niŋ, ˈrek-niŋ\
1 a : count <reckon the days till Christmas> b : estimate, compute <reckon the height of a building> c : to determine by reference to a fixed basis <the existence of the United States is reckoned from the Declaration of Independence>
2 : to regard or think of as : consider
1 : to settle accounts
2 : to make a calculation
4 : to accept something as certain : place reliance <I reckon on your promise to help>
: to take into consideration
Examples of reckon
I reckon that we'll have to leave early.
Do you reckon you'll be able to go to the grocery store after work?
We'll have to leave early, I reckon.
They reckoned that they would reach their destination by noon.
Losses were reckoned to be over a million dollars.
Origin of reckon
Middle English rekenen, from Old English -recenian (as in gerecenian to narrate); akin to Old English reccan
First Known Use: 13th century
Seen and Heard
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