advice

recommendation, suggestion

hint, pointer, tip

data, feedback, information

answer, solution

advisement, consideration, thought

alarm (also alarum), alert, caution, cautioning, expostulation, forewarning, remonstrance, remonstration, urging, warning

judgment (or judgement), observation, verdict

assistance, briefing, coaching, direction, instruction, mentoring, priming, prompting, teaching, tutoring

interference, kibitzing (also kibbitzing), meddling

moralizing, pontificating, preaching

exhortation, lecture, lesson, sermon, speech