the act or faculty of attending, esp. by directing the mind to an object.

Psychology .

a concentration of the mind on a single object or thought, esp. one preferentially selected from a complex, with a view to limiting or clarifying receptivity by narrowing the range of stimuli.

a state of consciousness characterized by such concentration.

a capacity to maintain selective or sustained concentration.

observant care; consideration

Individual attention is given to each child.

civility or courtesy

attention to a guest.

notice or awareness

His deliberate cough caught the waiter's attention.

attentions, acts of courtesy or devotion indicating affection, as in courtship.

Military . an erect position with eyes to the front, arms to the sides, and heels together (often used as a command).

noun

disregard , ignorance , neglect , negligence , inadvertence , inattention , slight

noun

absorption , application , assiduity , consideration , contemplation , debate , deliberation , diligence , engrossment , heed , heedfulness , immersion , industry , intentness , mind , scrutiny , study , thinking , thought , thoughtfulness , awareness , big rush , brace , concern , consciousness , looking after , ministration , notice , observation , recognition , regard , spotlight , tender loving care , tlc , treatment , attentiveness , concentration , regardfulness , cognizance , espial , mark , note , observance , remark , addresses , advertence , advertency , alertness , circumspection , civility , complaisance , courtesy , deference , devoirs , ear , fixation , limelight , mindfulness , obedience , perception , prevenience , respect , vigilance , watchfulness