conjecture

US /kənˈdʒek.tʃɚ/
UK /kənˈdʒek.tʃɚ/
"conjecture" picture
1.

an opinion or conclusion formed on the basis of incomplete information

:
The detective's theory was based on conjecture, not solid evidence.
His statement was pure conjecture, without any factual basis.
1.

form an opinion or conclusion on the basis of incomplete information

:
We can only conjecture about the true cause of the accident.
Based on the limited data, I conjecture that the market will recover soon.