actionable 

acuity (of vision)

acute

addenda (pl. addendum)

addle (bunch)

address the parcel / oneself to the audience / oneself to smth

adequate to his post

adhesion 

ad infinitum 

adjoin

adjudge

adjuration

adjure

ad-lib

admeasure

admirably written

admittance / deny my admittance to

admittedly 

admonish / were admonished for being late 

I conceive it my duty to admonish you 

admonition 

ado

adopt the attitude 

adopt religion