a. 极好的

[ adj ]
completely satisfactory
<adj.all>
his smile said that everything was copaceticYou had to be a good judge of what a man was like, and the English was copacetic

copacetic \copacetic\ copasetic \copasetic\adj.
1. completely satisfactory.

Syn: copesetic, copesettic.
[WordNet 1.5]

You had to be a good judge of what a man was like,
and the English was copacetic. --John O'Hara