[according to] {prep.} 1. So as to match or agree with; […]

[according to one's own lights] {adv. phr.} In accordance with one's […]

[account] See: [CALL TO ACCOUNT], [CHARGE ACCOUNT], [LEAVE OUT OF ACCOUNT], […]

[ace] See: [WITHIN AN ACE OF].

[ace in the hole] {n. phr.} 1. An ace given to […]

[Achilles' heel] {n. phr.}, {literary} A physical or psychological weakness named […]

[acid head] {n.}, {slang} A regular user of LSD on whom […]

[acid rock] {n.}, {slang} A characteristic kind of rock in which […]

[ACK] "acknowledged"; used frequently in discussion boards, tech-speak

[acorn] See: [GREAT OAKS FROM LITTLE ACORNS GROW].