Definition of "explain"

The boy became volubly friendly and bubbling over with unexpected humour and high spirits. He tried to persuade Cicely to stay away from the ball-room for a fourth dance. Nobody would miss them, he explained.

1909, Archibald Marshall [pseudonym; Arthur Hammond Marshall], “A Court Ball”, in The Squire’s Daughter, New York, N.Y.: Dodd, Mead and Company, published 1919, page 9

Drawings and pictures are more than mere ornaments in scientific discourse. Blackboard sketches, geological maps, diagrams of molecular structure, astronomical photographs, MRI images, the many varieties of statistical charts and graphs: These pictorial devices are indispensable tools for presenting evidence, for explaining a theory, for telling a story.

2012 March, Brian Hayes, “Pixels or Perish”, in American Scientist, volume 100, number 2, page 106

It is tempting to speculate about the incentives or compulsions that might explain why anyone would take to the skies in [the] basket [of a balloon]: perhaps out of a desire to escape the gravity of this world or to get a preview of the next; […].

2013 June 7, David Simpson, “Fantasy of navigation”, in The Guardian Weekly, volume 188, number 26, page 36

The horse-chestnut is […] ready to explain its leaf.

April 14, 1684, John Evelyn, a letter sent to the Royal Society concerning the damage done to his gardens by the preceding winter

It is easy to modify the account to take this into account, by explaining not just in terms of a set of reasons but in terms of a set of reason–weight pairs.

2012, Alexander R. Pruss, “The Leibnizian Cosmological Argument”, in William Lane Craig, J. P. Moreland, editors, The Blackwell Companion to Natural Theology‎, page 56

Like their Western counterparts, local media engages in shorthand - it reports rather than explains.

2019 July 9, Patrick Gathara, “The problem is not 'negative' Western media coverage of Africa”, in Al Jazeera English