British Poster and Internet Meme, __ and Carry on

This page is the CodyCross answer for the clue below from Renaissance, Group 1391, Puzzle 1 (Nicholas Hilliard).

Question is: British Poster and Internet Meme, __ and Carry on

and the answer is: KEEPCALM

Word Meaning:

KEEP — (transitive) To continue in (a course or mode of action); to not intermit or fall from; to uphold or maintain.

Definitions from Wiktionary.