The crossword solutions for the term 'Happy Colleague' are DOC, DOPEY, and SLEEPY. The acronym DOC stands for Doctor of Chiropractic, a professional who specializes in the diagnosis, treatment, and prevention of disorders of the neuromusculoskeletal system. DOPEY is an adjective meaning foolish or silly. SLEEPY is an adjective meaning drowsy or tired. Together, these three words describe a happy colleague who is a doctor of chiropractic, but also has a silly or drowsy disposition.