Thoughtfulness

Noun

 * 1) thoughtful and considerate attention
 * 2) careful deliberation before action

Antonyms

 * thoughtlessness (1)
 * unthoughtfulness (2)

Thesaurus
TLC, absorption, abstraction, accommodatingness, affability, agreeableness, amenity, anticipation, attention, attentiveness, brown study, care, carefulness, caution, circumspection, circumspectness, civility, close study, comity, complaisance, concentration, concern, considerateness, consideration, contemplativeness, cool judgment, courteousness, courtesy, decorousness, deep thought, deference, delicacy, demureness, discreetness, discretion, discrimination, earnestness, engrossment, forethought, formality, good judgment, gracefulness, graciousness, gravity, grimness, heed, heedfulness, helpfulness, indulgence, judgment, judiciousness, leniency, long face, loving care, melancholy, mindfulness, musing, obligingness, pensiveness, policy, politeness, polity, preoccupation, preparedness, profound thought, providence, prudence, prudentialism, reflection, reflectiveness, regard, regardfulness, respect, respectfulness, reverie, sedateness, seriousness, sober-mindedness, soberness, sobersidedness, sobersides, sobriety, solemnity, solemnness, solicitousness, solicitude, somberness, sound judgment, soundness of judgment, speculativeness, staidness, straight face, study, tact, tactfulness, tender loving care, thought, toleration, urbanity, weighing, weightiness, wistfulness