Circumspection, n.
Etymology: [L. circumspectio.]
Attention to all the facts and circumstances of a case; caution; watchfulness. With silent circumspection, unespied. Milton.
Syn. -- Caution; prudence; watchfulness; deliberation; thoughtfulness; wariness; forecast.
Shades of meaning
Fernald has no entry of its own for circumspection; he lists it under care, prudence.
Where he writes about it:
Circumspection is watchful observation and calculation, but without the timidity implied in caution. — from care