The Collaborative International Dictionary of English v.0.48:
go-to-meeting \go-to-meeting\ adj. best-looking; -- used of clothing; as, her Sunday-go-to-meeting clothes. [prenominal] Syn: good, Sunday, Sunday-best, Sunday-(prenominal). [WordNet 1.5]WordNet (r) 3.0 (2006):
go-to-meeting adj 1: used of clothing; "my good clothes"; "her Sunday-go-to- meeting clothes" [syn: go-to-meeting(a), Sunday-go-to- meeting(a)]