-atory
adjective suffix
-a·to·ry
əˌtōrē,
-tȯr-,
-ri;
especially British ətəri or ə‧tri or sometimes when an unstressed syllable precedes ¦ātəri or ¦ā‧tri
: of, belonging to, or connected with
perspiratory
: serving or tending to amendatory
Word History
Etymology
Middle English, from Latin -atorius, from -atus -ate + -orius -ory