Strong’s Greek
G2234 — hedeos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἡδέως
hedeos — pronounced hay-deh'-oce
adverb from a derivative of the base of 2237; sweetly, i.e. (figuratively) with pleasure:--gladly. see GREEK for 2237
3 occurrences in the KJV.
Mark 6:20
For Herod feared John, knowing that he was a just man and an holy, and observed him; and when he heard him, he did many things, and heard him gladly.
Mark 12:37
David therefore himself calleth him Lord; and whence is he then his son? And the common people heard him gladly.
2 Corinthians 11:19
For ye suffer fools gladly, seeing ye yourselves are wise.