plausible          
adjective uk/ˈplɔː.zə.bəl/ us/ˈplɑː.zə.bəl/
C2 貌似真实(或可信)的
seeming likely to be true, or able to be believed
  a plausible explanation/excuse 貌似有理的解释/借口 
  disapproving花言巧语的,巧舌如簧的 
A plausible person appears to be honest and telling the truth, even if they are not.
  a plausible salesman 能说会道的推销员