Synonyms of circumspect in English:

circumspect


See definition of circumspect

adjective

1‘she would have to be very circumspect in her dealings with Catherine’

SYNONYMS
cautious, wary, careful, chary, guarded, on one's guard
discreet
watchful, alert, attentive, heedful, vigilant, observant
prudent, judicious, canny, politic
informal softly-softly, cagey, leery, playing one's cards close to one's chest
ANTONYMS

unguarded, incautious