[1] : The Collaborative International Dictionary of English v.0.48

occupational \occupational\ adj.
   of or pertaining to an occupation3 or occupations3;
   caused by or incidental to an occupation3; as, occupational
   hazard; occupational illness.
   wordnet 1.5

[2] : WordNet (r) 2.0

occupational
     adj : of or relating to the activity or business for which you are
           trained; "occupational hazard"

Occupational >> O Words
Occupational, definition of term: Occupational
occupational_pag1.html

Occupational Th >> O Words
Occupational Th, definition of term: Occupational Th
occupational+th_pag1.html