Collocations for diplomacy - noun

careful, shrewd | ‘gunboat … ’
What they could not take by political intrigue they took by ‘gunboat diplomacy’ (= threatening military action).

international | secret | personal
Churchill''s highly personal diplomacy in seeking a meeting with the Russians

traditional
a crisis lying outside the scope of traditional diplomacy

preventive | shuttle
a round of shuttle diplomacy between Washington and Brussels

Anglo-French, European, Russian, etc.

use
prefering to use diplomacy rather than force

go on
Behind the scenes a lot of secret diplomacy was going on.

by/through ~
We must try and resolve this situation through diplomacy rather than conflict.

great | quiet

have
We need someone who has tact and diplomacy.

exercise, show, use
I thought you showed great diplomacy in dealing with him.

call for, need, require
Trying to get the divorced couple to agree calls for a great deal of diplomacy.

by/through ~
The way forward in this situation is by diplomacy and negotiation.

with ~
She handled the awkward situation with her usual quiet diplomacy.