1. Depending on conjecture.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• conceptural,
• contextural,
• xonjectural,
• vonjectural,
• fonjectural,
• donjectural,
• cinjectural,
• cknjectural,
• clnjectural,
• cpnjectural,
• c0njectural,
• c9njectural,
• cobjectural,
• cojectural,
• conectural,
• conjectrual,
• conjuctural,
• conjceturally,
• conjectuarlly,
• conjenctural

• consecrate,
• consecrated,
• consecration,
• conjecture.

The adjective form of the word "conjectural" is "conjectural".

The plural form of the word "conjectural" is "conjecturals".

The singular form of the word "conjectural" is "conjecture"