(a.) Bearing in mind; regardful; attentive; heedful; observant.

accommodating accommodative active advertent agog agreeable alert alive alive to all ears all eyes all-knowing apperceptive appercipient appreciative of apprehending apprehensive apprised of assiduous attentive au courant awake awake to aware aware of behind the curtain behind the scenes canny careful cautious circumspect cognizant cognizant of complaisant compliant comprehending concentrated conforming conscientious conscious conscious of considerate constant conversant curious deliberate delicate devoted devout diligent discreet duteous dutiful earnest evocative faithful finical finicking finicky gingerly guarded haunted heedful helpful hep to hesitant in retrospect in the know in the secret indulgent informed of insightful intelligent intense intent intentive judicious knowing knowledgeable leaving out nothing lenient let into loving loyal memoried meticulous mindful of mindful of others mnemonic nagged nice niggling no stranger to noncommittal obliging observant observing obsessed omniscient on guard on the ball on the job on the lookout on to open-eared open-eyed openmouthed overlooking no possibility pawky perceptive percipient perspicacious plagued politic practicing prehensile privy to prudent punctilious punctual rankled redolent regardful remembering remindful reminiscent retentive retrospective safe sagacious scrupulous seized of sensible sensible of sensible to shrewd slow to act solicitous streetwise suggestive tactful tender tentative thorough thoughtful tolerant TRUE unable to forget unadventurous uncommunicative undaring undeceived understanding unenterprising unmindful unprecipitate vigilant watchful wise wise to