account, acquaintedness, advocate, alter ego, amigo, announcement, appreciation, apprehension, associate, awareness, backer, best friend, blue book, bosom friend, briefing, brother, bulletin, casual acquaintance, close acquaintance, close friend, colleague, communication, communique, companion, comrade, confidant, confidante, consciousness, corpus, crony, data, datum, directory, dispatch, enlightenment, evidence, experience, expertise, facts, factual base, factual information, familiar, familiarity, familiarization, favorer, fellow, fellow creature, fellowman, friend, gen, general information, grasp, guidebook, handout, hard information, incidental information, info, information, inseparable friend, instruction, intelligence, intimacy, intimate, introduction, inwardness, ken, knockdown, know-how, knowing, knowledge, light, lover, mate, mention, message, neighbor, notice, notification, other self, partisan, pickup, practical knowledge, presentation, private knowledge, privity, promotional material, proof, publication, publicity, ratio cognoscendi, release, report, repository, self-knowledge, sidelight, statement, supporter, sympathizer, technic, technics, technique, the dope, the goods, the know, the scoop, transmission, understanding, well-wisher, white book, white paper, word