THESAURUS
take care
attend to business, be alert, be careful, be cautious, be obsessed with, bend over backwards, beware, concentrate on, exercise care, fix on, focus on, give heed, handle with gloves, have a care, lie low, look about one, look lively, look out, look sharp, mind, miss nothing, pay attention, pay heed, qui vive, scrutinize, study, take good care, take heed, take pains, take trouble, tread on eggs, treat gently, watch out
ROGET THESAURUS
take care
Caution
VB
be cautious,
take care, take heed, take good care, have a care mind, what one is about, be on one's guard, make assurance doubly sure, bespeak, think twice, look before one leaps, count the cost, look to the main chance, cut one's coat according to one's cloth, feel one's ground, feel one's way, see how the land lies, wait to see how the cat jumps, bridle one's tongue, reculer pour mieux sauter, let well alone, let well enough alone, let sleeping dogs lie, ne pas reveiller le chat qui dort, don't wake a sleeping cat, keep out of harm's way, keep out of troubled waters, keep at a respectful distance, stand aloof, keep on the safe side, be on the safe side, husband one's resources, caution.
Care
VB
be careful, reck,
take care, pay attention to,
take care of, look to, look after, see to, see after, keep an eye on, keep a sharp eye on, chaperon, matronize, play gooseberry, keep watch, keep watch and ward, mount guard, set watch, watch, keep in sight, keep in view, mind, mind one's business, look sharp, look about one, look with one's own eyes, keep a good lookout, keep a sharp lookout, have all one's wits about one, have all one's eyes about one, watch for, keep one's eyes open, have the eyes open, sleep with one's eye open.