一いち理りある

expression, godan verb (-ru, irregular)

have a point; have some truth; make some sense

Used when acknowledging that someone's argument or opinion has at least some validity, even if you do not fully agree. Often appears as 一理あると思う or 一理あると言える.

• 彼かれの意い見けんにも一いち理りあると思おもう。

  I think his opinion has a point, too.

• 確たしかに、君きみの言いうことには一いち理りある。

  Certainly, there is some truth in what you say.