1297, from O.Fr. acuser, from L. accusare "to call to account," from ad- "against" + causari "give as a cause or motive," from causa "reason." Accusatory is first attested 1601, from L. accusatorius.
Main Entry: ac·cuse Function: verb Inflected Forms: ac·cused; ac·cus·ing Etymology: Latin accusare to find fault with, charge with a crime, from ad to, at + causa legal case, trial transitive verb : to charge with an offense judicially or by a public process —compare INDICT intransitive verb : to make or bring an accusation —ac·cus·ernoun