This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of, relating to, or characteristic of a professor or professors, or a professorship or professorships.

adj. Of or pertaining to a professor

Of or pertaining to a professor: as, a professorial chair.

adj. relating to or characteristic of professors

"It is clearly time to eschew uses of the term professorial that imply a cold, condescending person who is unable to think or speak clearly."

professorial socialist   

professorially   

advertorial    ambassadorial    arboreal    conspiratorial    curatorial    dictatorial    directorial    editorial    equatorial    extraterritorial   

well-drilled    gubernatorial    psychologic    no-holds-barred    self-complacent    cluetrain    ill-directed    well-lined    lyceum    fur-trimmed