LL commendatorius < L commendator, one who commends
commendatory in American English
(kəˈmendəˌtɔri, -ˌtouri)
adjective
1.
serving to commend; approving; praising
2.
holding a benefice in commendam
3.
held in commendam
Word origin
[1545–55; ‹ LL commendātōrius, equiv. to commendā(re) to commend + -tōrius-tory1]This word is first recorded in the period 1545–55. Other words that entered Englishat around the same time include: articulate, footprint, fusion, species, spiral-tory is a suffix occurring in loanwords from Latin, orig. adjectival derivatives of agentnouns ending in -tor (predatory); also forming adjectival derivatives directly from verbs (obligatory; transitory)