deem it necessary

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deem it necessary

To determine that something is necessary. I didn't deem it necessary to give the boys detention because having their shirts untucked isn't a very serious infraction.
See also: necessary

deem it (to be) necessary

 and deem that it is necessary
to decide that something is necessary. Mary deemed that it was necessary to leave town that night. Lisa deemed it necessary to go home.
See also: necessary