excitiação
"Excitiação" appears to be a nonstandard or misspelled form of the Portuguese word "excitação" (or similar forms in other Romance languages) and generally corresponds to the English term "excitation." In broad usage, excitation denotes the process of supplying energy to a system or inducing an active state.
In physics and chemistry, excitation refers to raising particles, atoms, or molecules from a lower energy state
In neurobiology and physiology, excitation describes the process by which neurons or muscle fibers increase their
In psychology and everyday language, excitation (often rendered as arousal) denotes heightened physiological and emotional activation,
In engineering, excitation can refer to driving a system (e.g., an alternating current generator’s field excitation