wariness

noun

1 the issue should be treated with a degree of wariness:

caution, carefulness, care, circumspection, prudence, guardedness, alertness, attention, heed, heedfulness, watchfulness, vigilance, hypervigilance, observance, awareness, mindfulness, canniness;

hesitance, hesitancy, hesitation, timidness, timidity, timorousness.

▷antonyms recklessness.

2 they have the same wariness of strangers as everyone else:

suspicion, distrust, mistrust, caution, unease, scepticism, doubt, chariness;

informal caginess.

▷antonyms trust.

wariness Oxford Dictionary of English