Merriam-Webster's Collegiate® Dictionary, 11th Edition
PLEASURE
I. noun
Etymology: Middle English plesure, alteration of plesir, from Anglo-French plaisir, from plaisir to please
Date: 14th century
desire , inclination , a state of gratification,
3. sensual gratification, frivolous amusement, a source of delight or joy,
II. verb (pleasured; pleasuring)
Date: 1537
transitive verb to give pleasure to ; gratify , to give sexual pleasure to, intransitive verb to take pleasure ; delight , to seek pleasure