Answer:

mod

Answer	Crossword Clue
MOD	"The ... Squad"
MOD	TV's "The ... Squad"
MOD	Stylish, in the '60s

MOD	Up-to-date in style
MOD	Chic, in the '60s
MOD	Chic, to Austin Powers
MOD	Cool, in 1960s London
MOD	Hip in the '60s
MOD	Like Austin Powers
MOD	Miniskirt style
MOD	Au courant

MOD	Cool, 1960s-style
MOD	Subculture celebrated by "Quadrophenia"
MOD	Fashionable
MOD	Stylish
MOD	"The .. Squad"
MOD	In
MOD	Chic
MOD	Like Twiggy's fashion

MOD	Like bell-bottoms in the '60s
MOD	'60s chic
MOD	In style
MOD	"The ... Squad" ('60s-'70s TV drama)
MOD	Fashionable, '60s-style
MOD	In vogue, in the '60s
MOD	Like bell-bottoms
MOD	Rocker's rival, in '60s England

MOD	Stylish, '60s-style
MOD	Trendy (but not today)
MOD	Like some '60s fashions
MOD	Like Mary Quant's creations
MOD	Rocker's rival
MOD	Change, informally
MOD	Hip, in the '60s
MOD	Like some '60s fashion

MOD	Trendy (in an untrendy way)
MOD	Hip dresser of the '60s
MOD	Like Mary Quant's fashions
MOD	With it, once
MOD	Cool in the '60s