(n.) Plural of Classis.

accomplishments account acquaintance acquisition of knowledge acquisitions admonition advice advising advocacy announcement assignment attainments blue book brief briefing bulletin catechization caution caveat chalk talk charge classes coaching command commission communication communique consultation council counsel data datum dictate didactics direction directive directory discourse dispatch disquisition drill drilling edification education enlightenment evidence exercise exhortation exposition expostulation facts factual information familiarization gen general information general orders guidance guidebook guideline handout harangue hard information homework homily hortation idea illumination incidental information indoctrination info information injunction instructions intelligence knowledge learning lecture lecture-demonstration lesson lessons liberal education light mention message monition moral moral lesson morality moralization notice notification object lesson opinion order parley pedagogics pedagogy preachment precept preparation prescript prescription presentation private teaching programmed instruction promotional material proof proposal publication publicity recital recitation recommendation reeducation regulation release remonstrance report rule schooling self-instruction self-teaching sermon set task sidelight skull session sophistication spoon-feeding statement store of knowledge suggestion talk task teaching the dope the goods the know the scoop thought training transmission tuition tutelage tutorage tutorial tutoring tutorship warning white book white paper word