Kuasai

Kuasai is an Indonesian verb meaning to master, to have command of, or to control something. It is used transitively to indicate attaining proficiency or mastery over a skill, knowledge domain, language, or area of activity. In typical usage, kuasai appears in sentences describing the ability to perform or apply something with competence.

Kuasai is closely related to the derived verb menguasai, which is the more common form in everyday Indonesian and is conjugated with prefixes such as me- to indicate active mastery. The passive form dikuasai means “be mastered” or “be controlled.” The noun penguasaan denotes mastery, proficiency, or possession of control. The base concept behind kuasai and its related forms is the idea of power, authority, or control over a subject or skill.

Etymology and usage notes: kuasai derives from the noun kuasa (power, authority) with the suffix -i, forming a transitive verb that expresses obtaining or exerting mastery. Kuasai can be used in educational, professional, or strategic contexts to describe acquiring competence, such as mastering a language, technical skill, or body of knowledge. See also menguasai, penguasaan, dikuasai, and related terms in Indonesian linguistics and language learning.