The answer to the crossword for the term 'SORORITY 'T'' is TAU. TAU is a Greek letter that is used to represent a number of different concepts in mathematics, physics, and other fields. In the context of sororities, it is often used as an abbreviation for TAU Alpha Upsilon, a multicultural SORORITY founded in 1998 at the University of California, Los Angeles. The SORORITY focuses on empowering women of color and promoting social justice.