prudent
Some people will prudently invest for their children's education.
Business owners who survived the downturn prudently managed their finances and their customers needs.
It is in your interest to use credit prudently.

SMART Vocabulary: related words and phrases

Paying attention and being careful
attention span
attentiveness
baby
be good, and if you can't be good, be carefulidiom
be on (your) guardidiom
egg
flow
follow/steer/take the middle course/way/pathidiom
get religionidiom
guard
hang
hang on/upon something
religion
revolve
revolve around someone/something
safety
safety firstidiom
see past something
sit
the/a glare of somethingidiom