reckon with

reckon with (third-person singular simple present reckons with, present participle reckoning with, simple past and past participle reckoned with)

1. To settle accounts or claims with.
   • 1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Matthew 25:19:

     After a long time, the lord of those seruants commeth, and reckoneth with them.

2. To deal with.

   We'll reckon with him after the deed is done.

3. To take into account.

   I didn't reckon with his stubbornness.

   • 1918, The Economist, volume 86, page 778:

     Swiss manufacturers reckon with the possibility of a contractless state with Germany. The Swiss public opinion is afraid that such a contractless state will lead to intolerable interferences of German authorities with Swiss economic life.

   • 1932, Dorothy L. Sayers, chapter 1, in Have His Carcase (fiction):

     She had not realised how butcherly the severed vessels would look, and she had not reckoned with the horrid halitus of blood, which steamed to her nostrils under the blazing sun.

• to be reckoned with
• to reckon with