Kiva is the world's first online lending platform connecting online lenders to entrepreneurs across the globe. organization definition: 1. a group of people who work together in an organized way for a shared purpose: 2. the planning…. Organization definition is - the act or process of organizing or of being organized. Make a loan to an entrepreneur across the globe for as little as $25. A social unit of people that is structured and managed to meet a need or to pursue collective goals. WHO's primary role is to direct international health within the United Nations' system and to lead partners in global health responses. GAMES; BROWSE THESAURUS; WORD OF THE DAY; WORDS AT PLAY. Organisation definition is - British spellings of organization … See the full definition. SINCE 1828. … See more. SAVED WORDS dictionary thesaurus view recents. Learn more. How to use organization in a sentence. LOG IN; REGISTER; settings. Organisation definition, the act or process of organizing. All organizations have a management structure that determines relationships between the different activities and the members, and subdivides and assigns roles, responsibilities, and authority to carry out different tasks.