"commending, recommending," 1550s, from Late Latin commendatorius, from Latin commendator, from commendare "to commit to the care of; to set off, render agreeable, praise" (see commend). Commendative in the same sense is from early 15c.
commence
commencement
commend
commendable
commendation
commendatory
commensal
commensalism
commensurable
commensurate
comment