verb

• (intransitive) To come together; to meet; to unite.
• (intransitive) To come together, as in one body or for a public purpose; to meet; to assemble.
• (transitive) To cause to assemble; to call together; to convoke.
• (transitive) To summon judicially to meet or appear.
• (transitive, with "on" or "upon") To make a convention; to declare a rule by convention.