Synonyms and related words :
Argus-eyed, acute, agog, alert, all ears, all eyes, all ready, all set, armed, armed and ready, attentive, aux aguets, avid, booted and spurred, briefed, careful, cautious, chary, circumspect, coached, cocked, covering, custodial, defensive, eager, eagle-eyed, equipped, familiarized, fostering, good and ready, groomed, guarded, guardian, guarding, hawk-eyed, immunizing, in arms, in battle array, in readiness, in the saddle, informed, keen, keen-eyed, lidless, loaded, loaded for bear, mature, mobilized, observant, on guard, on the alert, on the lookout, on the mark, on the watch, open-eyed, parental, planned, prearranged, prepared, prepared and ready, prepped, preventive, primed, prophylactic, protecting, protective, provided, prudent, psyched up, ready, ready for anything, ripe, safeguarding, screening, set, sharp, sharp-eyed, sheltering, shielding, sleepless, tutelary, unsleeping, up in arms, wakeful, wary, watchful, well-prepared, wide-awake, with open eyes