Answer: sundaybest

AnswerCrossword Clue
SUNDAYBEST

Church duds

SUNDAYBEST

Church garb

SUNDAYBEST

Go-to-meeting clothes

SUNDAYBEST
Special-occasion clothing
SUNDAYBEST
Church clothes
SUNDAYBESTFine attire for Betsy and us tailored (6,4)
SUNDAYBESTFancy duds
SUNDAYBESTGoing-to-church clothes
SUNDAYBESTChurch outfit
SUNDAYBESTMass apparel?