forgetful
unmindful
cogitation
study
mindless
attributively
hang on every word
attestative
attuitional
you snooze you lose
atemporality
attunedness
conscientiously
overattentively
cautious
attribution
attributiveness
compatibility
pointedness
nonattenuation
lukewarmth
atypicality
paternalistic
unnoticeableness
meddlesomeness
lugubriosity
on the ball
keep someone on their toes
attendingly
responsiveness
snubbishness
obsequience
pay attention
vigilantness
disattenuate
regardant
acolasia
cogitativity
atheroprogressive
cautiousness
caution
carefulness
wakeful
waker
on watch