take (one's) word on it(redirected from taken somebody's word on it)
take (one's) word on it
To accept what one says without further verifying or investigating. You're right to be wary, but, in this case, I think we can take John's word on it. He has no reason to lie to us.
take someone's word for somethingand take someone's word on something
to believe what someone says about something without seeking further information or proof. It's true! Take my word for it. I can't prove it. You will have to take my word on it.