Chapter Preternaturally to Problem of P by Soule's Synonymes

Probationer, n. Novice.

Probe, v. a. Prove, test, verify, investigate, scrutinize, examine, search, sound, explore, sift, look into.

Probity, n. Integrity, uprightness, honesty, worth, rectitude, virtue, goodness, righteousness, trustworthiness, trustiness, principle, sincerity, truthfulness, veracity, honor, conscientiousness, justice, equity, fairness, incorruptibility, soundness.

Problem, n. Question (to be solved), enigma, puzzle, riddle, moot point, point in dispute, point to be solved or settled, question at issue, vexed question.