Definition of "glad"

A wise son maketh a glad father.

1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Proverbs 10:1

Glad am I that your highness is so arm'd / To bear the tidings of calamity.

1595 December 9 (first known performance), William Shakespeare, “The life and death of King Richard the Second”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act III, scene 2]

"I was dragged up at the workhouse school till I was twelve. Then I ran away and sold papers in the streets, and anything else that I could pick up a few coppers by—except steal. I never did that. I always made up my mind I'd be a big man some day, and—I'm glad I didn't steal."

1909, Archibald Marshall [pseudonym; Arthur Hammond Marshall], chapter II, in The Squire’s Daughter, New York, N.Y.: Dodd, Mead and Company, published 1919

Her conversation / More glad to me than to a miser money is.

a. 1587, Philippe Sidnei [i.e., Philip Sidney], “(please specify the page number)”, in Fulke Greville, Matthew Gwinne, and John Florio, editors, The Countesse of Pembrokes Arcadia [The New Arcadia], London: […] [John Windet] for William Ponsonbie, published 1590; republished in Albert Feuillerat, editor, The Countesse of Pembrokes Arcadia (Cambridge English Classics: The Complete Works of Sir Philip Sidney; I), Cambridge, Cambridgeshire: University Press, 1912,

Glad Eevening & glad morn crownd the fourth day.

1667, John Milton, “Book I”, in Paradise Lost. […], London: […] [Samuel Simmons], […]; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873,

that which gladded all the warrior train

1700, [John] Dryden, “Palamon and Arcite: Or, The Knight’s Tale. In Three Books.”, in Fables Ancient and Modern; […], London: […] Jacob Tonson, […]

Each drinks the juice that glads the heart of man.

1725, Homer, “Book VII”, in [Alexander Pope], transl., The Odyssey of Homer. […], volume II, London: […] Bernard Lintot

God that glads the lover's heart

1922, A. E. Housman, Epithalamium, line 3

Glads are widely grown as cut flowers both in the United States and abroad.

2008, Lynn Byczynski, The Flower Farmer, page 217