Third-person singular simple present indicative form of normalise.(verb)
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Use "normalises" in a sentence
"Radiation level in affected area of Delhi 'normalises'"
"Referring to an ex, even vaguely, kind of normalises things."
"And with the rise both in porn and instant gratification culture then I say it might be a good thing - peadophilia is on the increase as the internet 'normalises' such perversion so given that we can't hang the perverted bastards I hope the dolls catch on!"