This is a legitimate word you know. Although it should be spelled with 2 "d's".
glad·den Pronunciation Key (gldn)
v. glad·dened, glad·den·ing, glad·dens v. tr.
To make glad. See Synonyms at please.
v. intr. Archaic
To be glad.
Source: The American Heritage® Dictionary of the English Language, Fourth Edition
a. cricket