Webster's Revised Unabridged Dictionary · 1913

Deem

Deem (dēm) , transitive verb

[Old English demen to judge, condemn, Anglo-Saxon dēman, from dōm doom; akin to OFries. dēma, Old Saxon adōmian, Dutch doemen, Old High German tuommen, Icelandic dama, Swedish domma, Danish domme, Gothic dōmjan. See Doom, n., and compare Doom, v.]

1.
To decide; to judge; to sentence; to condemn. [Obsolete]
Claudius... Was demed for to hang upon a tree. — Chaucer
2.
To account; to esteem; to think; to judge; to hold in opinion; to regard.
For never can I deem him less him less than god. — Dryden

Deem , intransitive verb

1.
To be of opinion; to think; to estimate; to opine; to suppose.
And deemest thou as those who pore, With aged eyes, short way before? — Emerson
2.
To pass judgment. [Obsolete] — Spenser

Deem , noun

Opinion; judgment. [Obsolete] — Shakespeare