unbluffing
/ənˈblʌfɪŋ/Definitions
1. adjective
Not deceived or fooled, especially by a false impression or pretence.
“The unbluffing investor was not fooled by the company’s empty promises.”
2. adjective
Free from the tendency to be deceived or misled.
“A person with an unbluffing nature can see right through fake smiles.”