This is used in the paq'batlh to mean "I think that ..." when talking about an opinion. This meaning is similar to the -law' meaning of "I think ...". 

paq'batlh:

jIlay'mo' 'ej batlh jIpabmo'<br>Qapla' vIchavta' 'e' DaHar'a'<br>quv vuv nuv pagh ghajchugh neH

Given translation:

Did you think that my word of honor
Would have carried me this far?
Honor is for those with nothing to lose!

Literal:

Because I promise and because I follow honor
I have achieved success. I believe that
A person respects honor if they only have nothing

Antonym: Hon doubt