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intr.v. con·va·lesced, con·va·lesc·ing, con·va·lesc·es
To return to health and strength after illness; recuperate.
[Late Middle English convalesshe, from Latin convalēscere : com-, intensive pref.; see com- + valēscere, to grow strong, inchoative of valēre, to be strong; see wal- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.