is low a verb?

[Serzige]

Ok guys this is gonna be quick...
If I say "a warm-up is used to lower the affective filter", how could I say this phrase in other words. And please, give me "to lower" in other situation...

Thanks again.
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Sergio M.
"Life is too short to grieve in sorrow"

[Mister Micawber]

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A warm-up is used to lessen/decrease/minimize the affective filter.

Clancy lowered the boom.
We lowered him carefully onto a stretcher.
The clouds lowered and darkened, and it began to rain.
.
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Native English teacher at Mister Micawber's