common sense
commonsensible
commonsensical
healthy
intelligent
levelheaded
moderate
rational
sound
tenable
well-founded
acceptable
admissible
all there
allowable
apparent
appropriate
arguable
balanced
believable
bright
budget
cheap
clearheaded
clearminded
cogent
commonsense
compos mentis
conceivable
conceptive
conceptual
condonable
consequent
conservative
controlled
cool
coolheaded
credible
defensible
discreet
discursive
dispensable
down-to-earth
earthy
easy
economic
economical
economy
equitable
excusable
exemptible
expiable
fair
forgivable
frugal
hardheaded
healthy-minded
honest
ideational
decent
proper
sensible
seasonable
unreasonable
arbitrary