Mentor: is a noon that means a wise and trusted counselor or teacher
He's trying to teach Luke how to use the force. The true mentor is Obi-Won Kenobi played by Sir Alec Guinness.
Tact: is a noon that means on understanding of the proper thing to do or say around other.
Some tact is needed to tell someone how ugly they are straight to their faces
Catalyst: something or someone that brings about change.
is news or information that changes a pricing trend in a security.
Dynamic:forceful or full of energy
Dynamic exercises involve movement and are usually implemented during an active warm-up for a higher intensity activity
Seek: to look for or to try to find
My grandfather went to the hospital to seek help for his stomach pain.
Undergo: to go trough or experience.
Japan has undergone a drastic change as a result of industrialization