modify,
alter,
change make less severe or harsh or extreme; "please modify this letter to make it more polite"; "he modified his views on same-gender marriage"
inspissate -
make viscous or dense; "thicken the sauce by adding flour"
inspissate,
thicken become thick or thicker; "The sauce thickened"; "The egg yolk will inspissate"
change state,
turn undergo a transformation or a change of position or action; "We turned from Socialism to Capitalism"; "The people turned against the President when he stole the election"