にする => にする N4
一緒に => together N5
一度に => all at once N3
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
(の中)で~が一番~です => out of this group, [A] is best N5
一口に…といっても => Although in general... N2
Evaluate