Circumspectly

means,

Cautiously, prudently looking on all sides, with watchfulness every way, and attention to all the facts;
guarding against surprises
or danger.
See that you walk circumspectly,
not as fools, but as wise,
redeeming the time,
because the  days are evil.

Ephesians 5:15 and 16
For more
about being wise,
check out the word,
Wisdom.