Answer: pacten

AnswerCrossword Clue
PACTENUSC, UCLA, etc.
PACTENUCLA's conference
PACTENUSC's conference
PACTENWash. Huskies' conf.
PACTENOregon State's conf.
PACTENArizona State's conference
PACTEN"The Conference of Champions," commonly
PACTENWashington and Oregon are in it
PACTENWildcats and Cougars play in it
PACTENArizona and Arizona State joined it in '78
PACTENConf. whose membership increased by two in 2011
PACTENConference before the additions of Colorado and Utah
PACTENPrevious name for an athletic conference now with 12 members