careful

accurate alert anxious businesslike calculating cagey canny circumspect correct delicate deliberate detail-oriented diligent discreet discriminating elaborate exacting exact frugal full dress fussy guarded heedful judicious leery measured measured methodic methodical methodical/methodic mindful minute moderate more accurate more circumspect more correct more elaborate more diligent more methodic more methodic more moderate more methodical more methodical more prudent more precise more orderly more thoroughgoing more thorough more thorough most correct most frugal most thoroughgoing most punctual most methodic most methodic most methodical most methodical most thorough most thorough motherly nice nicer nicest noncommittal old-maidish on guard on one's guard on the ball open-eyed orderly painstaking particular persnickety precise precautionary protective prudent punctual regardful reliable safe safest sagest safer sage saving saving selective solicitous studious suspicious systematical thorough/thoroughgoing thorough thoughtful thoroughpaced thrifty unsleeping veridical wakeful watchful wise wiser wisest