| DIAGONALISE | • diagonalise v. Alternative spelling of diagonalize. • DIAGONALISE v. to put (a matrix) in a form with all the nonzero elements along the diagonal from upper left to lower right, also DIAGONALIZE. | 
| NATIONALISE | • nationalise v. Non-Oxford British spelling standard spelling of nationalize. • NATIONALISE v. to put an industry under state control, also NATIONALIZE. | 
| NATIONALISM | • nationalism n. Patriotism; the idea of supporting one’s country, people or culture. • nationalism n. Support for the creation of a sovereign nation (which does not currently exist). • nationalism n. (UK, Ireland) Support for the union of Northern Ireland and the Republic of Ireland. | 
| NATIONALIST | • nationalist adj. Of or relating to nationalism. • nationalist n. An advocate of nationalism. • Nationalist n. (South Africa) A member of the South African National Party during the 20th century. | 
| NOTIONALIST | • notionalist n. Synonym of notionist. • NOTIONALIST n. a theorist. | 
| PERSONALISE | • personalise v. (British spelling) Alternative spelling of personalize. • PERSONALISE v. to make personal, also PERSONALIZE. | 
| PERSONALISM | • personalism n. The character of being personal. • personalism n. (Philosophy) A doctrine of subjective idealism that regards personality as the means of interpreting reality. • PERSONALISM n. the doctrine that humans possess spiritual freedom. | 
| PERSONALIST | • personalist n. (Philosophy) An advocate of personalism. • PERSONALIST n. someone who writes personal notes; a believer in, or follower of, personalism. | 
| RATIONALISE | • rationalise v. Non-Oxford British spelling standard spelling of rationalize. • RATIONALISE v. to make rational, also RATIONALIZE. | 
| RATIONALISM | • rationalism n. (Philosophy) The theory that the reason is a source of knowledge independent of and superior to sense perception. • rationalism n. (Philosophy) The theory that knowledge may be derived by deductions from a priori concepts (such as… • rationalism n. A view that the fundamental method for problem solving is through reason and experience rather than… | 
| RATIONALIST | • rationalist n. A person who follows the philosophy of rationalism. • RATIONALIST n. an adherent of rationalism. | 
| REGIONALISE | • regionalise v. Alternative spelling of regionalize. • REGIONALISE v. to divide into regions or administrative districts, also REGIONALIZE. | 
| REGIONALISM | • regionalism n. Affection, often excessive, for one’s own region and to everything related to it. • regionalism n. (Politics) The belief that most or nearly all political power should be decentralized to regional governments. • regionalism n. (Countable, linguistics) A word or phrase originating in, characteristic of, or limited to a region. | 
| REGIONALIST | • regionalist adj. Of or pertaining to regionalism. • regionalist n. An advocate of regionalism. • REGIONALIST n. a supporter of regionalism. |