-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

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