Grand

adj.

Heard in Kerry, Kilkenny, Meath, Carlow, Donegal, Wexford, Dublin, Tipperary and Louth

Satisfactory, excellent, or in good working order. A universal term of approval.

In use

Dat's a grand wee motor car you've got dere for a slip of a lad.

Posh English

That is a most excellent little motor car the gentleman has acquired for a youthful fellow.

Same phrase, other counties