attentive (adj.)
- accommodating
- accommodative
- accurate
- advertent
- affable
- agile
- agog
- agreeable
- alert
- alive
- assiduous
- attenuate
- awake
- aware
- bright
- careful
- cautious
- ceremonious
- circumspect
- civil
- close
- complaisant
- concentrated
- conscientious
- conscious
- considerate
- correct
- courteous
- courtly
- critical
- curious
- deferential
- delicate
- demanding
- detailed
- diligent
- dutiful
- eager
- earnest
- exact
- exacting
- exigent
- exquisite
- fair
- fine
- finical
- finicky
- fussy
- gallant
- graceful
- gracious
- heedful
- helpful
- honorific
- indulgent
- intense
- intent
- interested
- keen
- lenient
- listening
- loving
- meticulous
- mindful
- minute
- narrow
- nice
- niggling
- nimble
- obliging
- observant
- observing
- open-eyed
- openmouthed
- particular
- polite
- precise
- prompt
- punctilious
- punctual
- quick
- ready
- reedy
- refined
- regardful
- religious
- respectful
- rigid
- rigorous
- scrupulous
- sharp
- sleepless
- slender
- slight
- slim
- smart
- solicitous
- strict
- subtle
- tactful
- tender
- tenuous
- thoughtful
- tolerant
- twiggy
- unblinking
- unsleeping
- urbane
- wakeful
- watchful
- wide-awake
By flatterers besieg'd,
And so obliging that he ne'er oblig'd;
Like Cato, give his little senate laws,
And sit attentive to his own applause.