To feel joyful; be delighted: rejoiced at the news; rejoiced in her friend's good fortune.
To fill with joy; gladden.
Rejoice in To have or possess: rejoices in a keen mind.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.