English

Verb

have reason

1. (obsolete) To be right. [15th-18th c.]
   • 1603, John Florio, translating Michel de Montaigne, Essayes, London: Edward Blount, OCLC 946730821, I.56:

     They would have no man use it as an interjection or exclamation, not to be alleaged as a witnesse or comparison, wherein I find they have reason.

2. To have grounds, justification etc. (to do something, or for something).
   • 2008, Martin Kettle, The Guardian, 12 December:

     The finance minister had reason to be exasperated. Britain's economic future hinges on Europe, and this is no time for animus.