Adjective
Palmerstonian (comparative more Palmerstonian, superlative most Palmerstonian)
Of or pertaining to Henry John Temple, 3rd Viscount Palmerston (1784–1865), British prime minister.
It is clear enough that the traditional Palmerstonian policy [of British support for Ottoman territorial integrity] is at an end. Robert Gascoyne-Cecil, 3rd Marquess of Salisbury