Of or relating to (the policies of) William Pitt ‘the Elder’, or his son William Pitt ‘the Younger’.

Of, relating to, or suggestive of Lord Palmerston or the forceful diplomacy associated with him.

Of, relating to, or characteristic of Sir Robert Peel or the Peelites, or their political policies.

Belonging to or characteristic of W. E. Gladstone; after 1886 used spec. (chiefly by opponents) as the designation of the party which supported…

Of or relating to Parnell or the Parnellites.

Of or relating to Lord Randolph Churchill. Now historical.

Of or characteristic of Joseph Chamberlain or his policies. Cf. Chamberlainism, n.1

Of, relating to, or supporting Joseph Chamberlain or his policies.

(a) n. a supporter of Cobdenism; (b) adj. of or pertaining to Cobdenism.

Of, pertaining to, or characteristic of Sir Winston Churchill. Cf. Churchillian, adj.2 n.1

Of, pertaining to, or associated with Lloyd George.

Of, pertaining to, or characteristic of Robert Walpole or his political career.

Pertaining to, resembling, or supporting Asquith as leader of the Liberal party or, later, as leader of a group of the divided party.

Of, relating to, or characteristic of Sir Winston Churchill.

Of, relating to, or supporting Ramsay MacDonald or his policies.

an adherent of Bevanism; also as adj., of, pertaining to, or characterized by Bevanism.

Of, associated with, or characteristic of Butskellism (see Butskellism, n.). Cf. Butskellite, adj.

Of, associated with, or characteristic of Butskellism (Butskellism, n.). Cf. Butskellist, adj.

Relating to, supporting, or sympathetic to Mosley or his views.

Relating to or characteristic of Wilson or his policies, style of government, etc. Also as n., a follower of Wilson.

Of, relating to, characteristic of, or advocating Powellism.

= Powellite, adj.

Of or pertaining to the Labour politician Tony Benn (1925–2014); supporting Mr. Benn, the left-wing policies associated with him, or such policies…

Of, relating to, or characteristic of Margaret Thatcher or Thatcherism.

Characteristic of Mrs. (subsequently Baroness) Thatcher or her policies; = Thatcherite, adj.

Of, relating to, or characteristic of John Major or his policies.

Or, relating to, or characteristic of Tony Blair or his policies.