'brisken' definitions:

Definition of 'brisken'

From: WordNet
verb
Become brisk; "business brisked up" [syn: brisk, brisk up, brisken]

Definition of 'brisken'

From: GCIDE
  • brisken \brisken\ v. to become brisk.
  • Syn: brisk, brisk up. [WordNet 1.5]