EAT, v.i. To perform successively (and successfully) the functions of mastication, humectation, and deglutition.
"I was in the drawing-room, enjoying my dinner," said Brillat-Savarin, beginning an anecdote. "What!" interrupted Rochebriant; "eating dinner in a drawing-room?" "I must beg you to observe, monsieur," explained the great gastronome, "that I did not say I was eating my dinner, but enjoying it. I had dined an hour before."
2010 Update: To replenish for oneself the energy exhausted complaining.