litany -- Sam

lit·a·ny  (ltn-) n. pl. lit·a·nies 1. A liturgical prayer consisting of a series of petitions recited by a leader alternating with fixed responses by the congregation. 2. A repetitive or incantatory recital: "the litany of layoffs in recent months by corporate giants" (Sylvia Nasar). [Middle English letanie, from Old French, from Medieval Latin letana, from Late Latin litana, from Late Greeklitaneia, from Greek, entreaty, from litaneuein, to entreat, from litanos, entreating, from lit, supplication.]

The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2009. Published byHoughton Mifflin Company. All rights reserved.

When Sam was much younger, he could provide a litany of reasons that he should have more chocolate milk.