さもありなん

expression

it's probably so; it stands to reason

A somewhat literary or formal expression used to acknowledge that something is likely or reasonable. Often used in commentary or reflective statements.

• 彼かれが怒おこるのもさもありなん、あんなことを言いわれたら誰だれでも腹はらが立たつ。

  It's only natural that he got angry; anyone would be upset after being told something like that.

• この結けっ果かはさもありなんという感かんじだ。

  This outcome seems quite plausible.