IPA: /ˈsʌmənəbl/
KK: /ˈsʌmənəbl/
Able to be called or requested to appear.
The witnesses were summonable to the court for the trial.
Summonable → It is formed from "summon" (from Old French *somon*, meaning to call or send for) and "-able" (meaning capable of). The word "summonable" means capable of being called or requested to appear.
Think of the word 'summon' which means to call someone, and remember that 'summonable' refers to something that can be called or requested.