確たしからしい

i-adjective

probable; likely; seems certain

Expresses a high degree of likelihood based on evidence or reasoning. Often used in formal or logical contexts. Similar to らしい but with a stronger sense of objective probability.

• 彼かれの説せつ明めいは確たしからしい。

  His explanation seems probable.

• このデータから見みると、その仮か説せつは確たしからしい。

  Judging from this data, that hypothesis is likely.