modest
Bohemian
affable
arcadian
authentic
bona fide
bucolic
candid
card-carrying
casual
cordial
degage
dinkum
direct
easy
easygoing
familiar
folksy
following the letter
free and easy
genuine
good
gracious
guileless
haymish
homely
homespun
homey
honest
honest-to-God
humble
inartificial
informal
irregular
lawful
legitimate
lifelike
literal
loose
lowly
meek
native
natural
naturalistic
naturelike
offhand
offhanded
original
compassionate
conciliatory
considerate
frugal
gentlemanly
ingenuous
inoffensive
ladylike
manly
peaceable
self-possessed
sociable
studious
sweet-tempered
unaffected
unobtrusive
unostentatious
unpretending
well-bred
well-mannered
assuming
blooming
booming
consuming
dooming
fuming
grooming
looming
perfuming
presuming
resuming
rooming
zooming