A Portuguese-based creole spoken in the island of Príncipe.

The claim that something good will turn up, especially when used to justify optimism. / The claim that financial surplus is success and debt is failure.

A principle in biology stating that allele and genotype frequencies in a population will remain constant from generation to generation in the absence of other evolutionary influences.

(logic) principle of explosion

(psychology, psychoanalysis, Freudianism, often hyphenated when used attributively) The principle that human decisions and behavior are strongly motivated by the instinctual desire of the id, arising in infancy, to experience pleasure and avoid pain.

(business) A rule according to which decisions and transactions need approval from two individuals, typically the CEO and CFO.

(psychology, psychoanalysis, Freudianism, often hyphenated when used attributively) The mental mechanism which guides a person, as he or she matures, in adapting to and coping with the real, external world, by suppressing or deferring the childish gratification-seeking desires of the id.

(ethics, philosophy) The ethical principle asserting that initiating physical force against persons or their justly acquired property, or threatening to do so, is illegitimate.

The philosophical notion that an item drawn at random from one of several sets or categories is more likely to come from the most numerous category than from any of the others.

In a principled manner.