The meaning of LIAISON is communication for establishing and maintaining mutual understanding and cooperation (as between parts of a business or an armed force). LIAISON meaning: 1. communication between people or groups who work with each other: 2. someone who helps groups to…. Learn more. "Liasoning" is a misspelling of "liaisoning," which is the present participle or gerund form of the noun "liaison." "Liaisoning," however, is not accepted in most reputable dictionaries because the root word "liaison" cannot be used as a verb. Although "liaisoning" can be used in casual speech, it is generally not used in formal writing. "Liaise" is a verb that means communicating to maintain a collaboration or mutual cooperation. Because "liaisoning" is not a formal word, the term "liaise ... The noun 'liaison' has an interesting etymology that stems from the Old French word 'liais,' which means 'a binding' or 'a connection.' This Old French term was derived from the Latin word 'ligare,' which means 'to bind' or 'to connect.' Therefore, 'liaison' originally referred to a binding or connection between individuals or groups. Over time, it evolved to represent a person or role that acts as a link or connection between two organizations or groups, facilitating communication and ...