adjective
caring, mindful
Synonyms: anxious, astute, attentive, aware, benign, canny, careful, cautious, charitable, chivalrous, circumspect, civil, concerned, considerate, cooperative, courteous, deliberate, diplomatic, discreet, friendly, gallant, gracious, heedful, helpful, indulgent, kind, kindly, neighborly, obliging, observant, observative, observing, polite, prudent, regardful, responsive, sensitive, social, solicitous, tactful, unselfish, wary, well-bred, well thought-out
Antonyms: careless, heedless, inattentive, inconsiderate, uncaring, unmindful, unthoughtful
adjective
contemplative, introspective
Synonyms: absorbed, analytical, attentive, brainy, calculating, cerebral, cogitative, deep, deliberative, discerning, earnest, engrossed, farsighted, grave, intellectual, intent, keen, levelheaded, logical, lost in thought, meditative, melancholy, museful, musing, pensive, philosophic, pondering, preoccupied, rapt, rational, reasonable, reasoning, reflecting, reflective, retrospective, ruminative, serious, sober, studious, subjective, thinking, wise, wistful
Antonyms: idiotic, negligent, obtuse, remiss, stupid, thoughtless