con·voke 
(kən-vōk)
(kən-vōk)tr.v. con·voked, con·vok·ing, con·vokes
To cause to assemble in a meeting; convene. See Synonyms at call.
[French convoquer, from Old French, from Latin convocāre : com-, com- + vocāre, to call; see wekw- in the Appendix of Indo-European roots.]
con·voker n.