Adjective: abreast u'brest
- Being up to particular standard or level especially in being up to date in knowledge
"kept abreast of the latest developments";
- au courant, au fait, up on, apace [N. Amer]
- Alongside each other, facing in the same direction
"The runners moved abreast as they approached the finish line";
- apace [N. Amer]
See also: informed