do for effect

Borrow no doubt exaggerated his acquaintance with Thurtell, as in his Robinson Crusoe romance he was fully entitled to do for effect. 

Such was the condition in which the Jesuit Bishop, Fenwick, found him here in Boston; and what, to all appearance, could be more philanthropic, what more practically Christian—what more benevolent deed could the Pope's agent do, for effect—than take this man by the hand and supply him with the necessaries of life.

Marchais, as French politicians like to do for effect, was using "old franc" figures.

They'll do for effect in the fashionable saloons of a city; but what think a wild Camanche would say if he chanced some broiling-hot morning to catch you in dishabille, and you begged him to retreat and spare your nerves?

Borrow no doubt exaggerated his acquaintance with Thurtell, as in his Robinson Crusoe romance he was fully entitled to do for effect.