call on

call on

  1. (idiomatic, transitive) To visit (a person); to pay a call to.
    Synonyms: call in, pay a visit, visit
    I really should call on my aunt more often.
  2. (idiomatic, transitive) To select (a student in a classroom, etc.) to provide an answer.
    He sat there, baffled, hoping nobody would call on him.
    • 2007, Barbara Seranella, Deadman's Switch, Thomas Dunne Books, ISBN 978-0-312-36170-9, pages 33–4 ↗:
      “Mr. Rayney, Mr. Rayney,” the reporters clamored, and hands shot up. ¶ Charlotte called on the reporter from the L.A. Times, promising herself that she would lead with the OC Register reporter next time.
  3. (idiomatic, transitive) (also call upon) To request or ask something of (a person); to select for a task.
    The king called on his subjects to take up arms and defend the kingdom.
    • 1909 October 14, Edward Kimball Hall, speech, in The Inauguration of Ernest Fox Nichols, D.Sc., LL.D., as president of Dartmouth College, The Rumford Press, page 88 ↗:
      The alma mater had again called on her sons in her hour of need and again they had responded.
    • 1974, Bruce Thordarson, Lester Pearson: Diplomat and Politician,[ ] Oxford University Press, ISBN 9780195402254, page 120:
      President Kennedy imposed a naval blockade on Cuba to prevent delivery of the missiles and called on his allies for support.
    • 2002, Bruno Coppieters, “Legitimate Authority”, chapter 2 of Bruno Coppieters and Nick Fotion (editors), Moral Constraints on War: Principles and Cases, Lexington Books, ISBN 978-0-7391-0437-8, page 46 ↗:
      De Gaulle called on the military to break with their hierarchical superiors and on the other French citizens to distance themselves from their government.
  4. (idiomatic, transitive) (also call upon) To have recourse to.
    Synonyms: summon up
    Exhausted, he called on his last ounce of strength.
  5. (idiomatic) To correct; to point out an error or untruth.
    Synonyms: correct
    The salesman persisted in quoting a rate higher than was listed, until we called him on it.

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