a volume of articles, essays, etc., contributed by many authors in honor of a colleague, usually published on the occasion of retirement, an important anniversary, or the like.
(http://dictionary.reference.com/browse/festschrift)
"Nearly twenty years ago, while still a graduate student in English at the University of Chicago, I was invited to contribute to a Festschrift for my father. The looming occasion was his 40th year as an English professor at Amherst College."
- Will Pritchard, "A tender coincidence", Winter 2016 The University of Chicago Magazine
