During a yearlong collaborative effort to enhance vocabulary instruction in secondary classrooms, high school teachers and university faculty developed and implemented a variety of approaches to support students in building rich representations of word meanings as well as an understanding of word features such as roots, affixes, and parts of speech. This article describes those approaches and provides specific examples. [This article was written with Donna Hash, Donna Link, Linda Miller, and Lucas Pasley.] (Contains 4 tables and 3 figures.)