ます
togisumasu

Godan Verb (su)

1. to sharpen; to grind; to whet; to hone; to make keen

Transitive
ここにいるといやでも感覚 かんかく まされる。
kokoni iruto iyademo kankakuwa togisumasareru.
I can't help but feel that when I come here, all my senses are sharper than usual.
Other forms: