What is the Spanish word for 'group'?

The Spanish word for 'group' is indeed "grupo." This term is commonly used in various contexts to refer to a collection of individuals or items that are considered together. Understanding vocabulary in any language relies on recognizing the meanings of specific words and their applications. "Grupo" is a fundamental word often encountered in social, academic, and professional scenarios when discussing teams, gatherings, or collections of people or objects.

The other options present different meanings: "individual" refers to a single person or thing; "excursión" means an outing or excursion, usually involving travel; and "pago" translates to 'payment' or 'to pay.' Each of these words has its own distinct context that does not relate to the concept of a 'group,' further highlighting why "grupo" is the correct choice in this scenario.