1) Assemble 2) Call 1) Assemble by summons 2) Call together 3) Convene 4) French word used in English 5) Summon 6) Summon to a meeting 7) Summon to meet or assemble 8) Summon together 9) To call together 
As a spell with convoke is cast, its controller may tap any number of creatures. Each creature tapped reduces the card's mana cost by 1 colorless mana or 1 mana of the tapped creature's color. For example, a player may pay for Conclave's Blessing, which costs 3 colorless and 1 white mana, by tapping four creatures, at least one of which must be whi...
• (v. t.) To call together; to summon to meet; to assemble by summons.
Con·voke' transitive verb [ imperfect & past participle Convoked ; present participle & verbal noun Convoking .] [ Latin convocare : confer French convoquer . See Convocate .] To call together; to summon to meet; to...
call together summon 
[v] - call together
convoke To call, or to convene, a formal meeting or to call people together for a meeting.
convene verb call together; `The students were convened in the auditorium`
to call together; summon to meet or assemble.