call on (third-person singular simple present calls on, present participle calling on, simple past and past participle called on)
- (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.
- (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, 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.
- (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, 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, 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.
- (idiomatic, transitive) (also call upon) To have recourse to.
- Synonym: summon up
Exhausted, he called on his last ounce of strength.
- (idiomatic) To correct; to point out an error or untruth.
- Synonym: correct
The salesman persisted in quoting a rate higher than was listed, until we called him on it.