A noun
Best is adjective and policy is noun
Honesty is a noun.
Doctrine is a noun. It defines a policy or way of doing something.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
to put policy into law
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.