| object(noun, cause, purpose, basis, planned) |
| pacify |
| puzzle(difficulty, question, problem, secret, obscurity) |
| puzzler(difficulty, question, problem, puzzle, mystery) |
| reason why(expression, idiom, cause) |
| stumper(difficulty, question, secret, puzzle, knot) |
| tough nut to crack(expression, idiom, question, secret, puzzle) |
| whyfor(noun, information, cause, reason, base) |
| abstruseness(difficulty, question, secret, puzzle, obscurity) |
| affidavit(noun, information, reason, picture, evidence) |
| ah |
| aim(noun, cause, purpose, basis, planned) |
| antecedent(noun, cause, reason, base, call) |
| apologia(noun, cause, idea, case, basis) |
| apology(noun, cause, idea, case, basis) |
| assent |
| attestation(noun, information, reason, picture, evidence) |
| averment(noun, information, reason, picture, evidence) |
| baffling problem |
| basis(noun, cause, reason, base, call) |