English edit

Etymology edit

pro- +‎ convention

Adjective edit

proconvention (comparative more proconvention, superlative most proconvention)

  1. In favour of a convention.
    • 1988 November 4, Harold Henderson, “The City File”, in Chicago Reader:
      A new state constitutional convention could not limit individual liberties, according to the proconvention group Con Con for Court Reform.