予よ察さつ

noun, noun or participle which takes 'suru'

preliminary guess; advance conjecture

Rare term for forming a conjecture or estimate before the facts are known. Often used in formal or technical contexts such as research, investigation, or forecasting.

• 調ちょう査さの前まえに、ある程てい度どの予よ察さつを立たてておく必ひつ要ようがある。

  Before the investigation, it is necessary to form some preliminary conjectures.

• 彼かれは現げん場ばの状じょう況きょうから、事じ故こ原げん因いんを予よ察さつした。

  He made a preliminary guess about the cause of the accident from the conditions at the scene.