expression
in light of the facts; based on the facts
Fixed expression used when evaluating or judging something by referring to actual facts or evidence. Often used in formal or logical contexts.
事実に照らして判断すれば、彼の主張は誤りだ。
Judging in light of the facts, his claim is incorrect.
A set phrase composed of 事実 (fact) + に (particle) + 照らして (te-form of 照らす, 'to shine on' → 'to compare with'). The expression literally means 'shining a light on the facts' and is used figuratively to mean 'in light of the facts'.