cautious
close
low-key
low-keyed
subdued
temperate
undemonstrative
unexpansive
unostentatious
unpretending
unpretentious
Attic
Ciceronian
Olympian
aesthetic
aloof
arrested
artistic
aseptic
backward
barred
bashful
beleaguered
beset
besieged
blank
blockaded
bound
bridled
cabined
caged
chaste
chastened
chilled
chilly
choice
classic
clear
cloistered
closed-in
cold
confined
constrained
controlled
cool
cooped
cordoned
cordoned off
corralled
cramped
cribbed
curbed
detached
direct
discreet
distant
easy
elegant
enclosed
excellent
expressionless
Refrained
abstained
arraigned
ascertained
attained
brained
campaigned
caned
chained
complained
contained
craned
deigned
detained
disdained
drained
entertained
explained
feigned
gained
grained
ingrained
maintained
maned
obtained
ordained
pained
pertained
planed
preordained
rained
refrained
regained
reigned
reined
remained
retained
retrained
self-contained
sprained
stained
strained
sustained
trained
unconstrained
unexplained
unrestrained
unstained
untrained