comprehensor
/ˌkɒmprihˈɛnsər, -ˈhɛnsər/Definitions
1. noun
A person who comprehends or understands something.
“The scholar was recognized as a respected comprehensor of ancient civilizations.”
2. noun
One who comprehends or understands something in a specific field or subject.
“He was appointed as the chief comprehensor of international law for the organization.”