に行く/に来る/に帰る => go/arrive/go back (to do something) N5
にする => にする N4
せいにする => Blame... N2
Cause, reason
くする/にする/ようにする => to make something ~, to decide on, to try to; to make sure that ~ N4
くする/にする => To make, to change into N5
Change, cause and effect
~く/ ~にする      => to make something ~ N4
Add meaning
...を...にする => to make something ~ N4
Purpose, target
~ことにする      => to decide on N4
Decision
ことにする => to decide on N4
Determined, determined
ことにする => Decide to N4
Causative, Passive, Volitional
ことにする => Treat as if... (Handling) N1
Means and methods
ままにする => as, to do as ~ N4
Continuous