Lewis & Short

in-formātĭo, ōnis, f. [informo], a representation.

  1. I. Lit., an outline, sketch, first draft: aedium sacrarum informationes, Vitr. 4, 6 fin.
  2. II. Trop., an idea, conception: anticipatio, quam appellat πρόληψιν Epicurus, id est anteceptam animo rei quandam informationem, Cic. N. D. 1, 36, 100: dei, id. de Or. 2, 87, 358: unius verbi imagine totius sententiae informatio, an exhibition of the idea contained in a word, an explanation of its meaning, id. Part. Or. 29, 102.