Beau Brummel
apprentice
arbiter of fashion
baby
beginner
catechumen
clotheshorse
clubman
clubwoman
dandy
debutant
debutante
entrant
fashion plate
fashionable
fledgling
fop
freshman
greenhorn
greeny
infant
learner
man-about-town
mondain
mondaine
neophyte
nestling
newcomer
novice
novitiate
probationer
raw recruit
recruit
rookie
socialite
subdeb
subdebutante
swinger
taste-maker
tenderfoot
tone-setter
trainee
trend-setter
tyro
Jeb
Web
Webb
celeb
ebb
web