voimistaa
Voimistaa is a Finnish verb meaning "to strengthen," "to make stronger," or "to intensify." It is used in both literal and figurative contexts, for example to increase physical strength, amplify sound or signal, or reinforce a position or effect.
The word is derived from the noun voima ("power, force") with a verbalizing suffix and follows standard
Usage spans fields such as physical training (e.g., strengthening muscles or endurance), engineering and acoustics (e.g.,
Voimistaa is a neutral, commonly understood verb in Finnish. Related words include voima (power) and voimistelu