Lewis & Short

suggestĭo (subg-), ōnis, f. [suggero].

  1. * I. Lit., an adding to, addition: potus suggestione auctus, Cael. Aur. Tard. 2, 13, 182.
  2. II. Trop.
    1. * A. A rhet. fig., where the orator puts a question and answers it himself, a suggestion: quod schema quidam per suggestionem vocant, i. e. per subjectionem, Quint. 9, 2, 15.
    2. B. A hint, intimation, suggestion (late Lat.), Vop. Aur. 14; 19; Symm. Ep. 9, 20; Inscr. Orell. 2.