Passify (verb)
To make or become passive.
“passivize}} {{q|more common”
Mollify (verb)
To ease a burden, particularly worry; make less painful; to comfort.
Mollify (verb)
To appease (anger), pacify, gain the good will of.
Mollify (verb)
To soften; to make tender
Wiktionary
Mollify (verb)
appease the anger or anxiety of (someone)
“nature reserves were set up around the power stations to mollify local conservationists”
Mollify (verb)
reduce the severity of (something)
“the women hoped to mollify the harsh wilderness environment”
Oxford Dictionary