decorum

As a noun decorum is

decorum.

As nouns the difference between decorum and decoration

is that decorum is appropriate social behavior; propriety while decoration is the act of adorning, embellishing, or honoring; ornamentation.

As nouns the difference between conduct and decorum

is that conduct is the act or method of controlling or directing while decorum is decorum.

As a verb conduct

is (archaic|transitive) to lead, or guide; to escort.

In uncountable terms the difference between decorum and class

is that decorum is appropriate social behavior; propriety while class is admirable behavior; elegance.

In countable terms the difference between decorum and class

is that decorum is a convention of social behavior while class is a category of seats in an airplane, train or other means of mass transportation.

As a verb class is

to assign to a class; to classify.

As an adjective class is

great; fabulous.

As nouns the difference between decorum and decorations

is that decorum is appropriate social behavior; propriety while decorations is plural of decoration.

As a noun decorum is

decorum.

As an adjective mannered

is having manners or (often excessive) mannerisms.

As a noun decorum is

decorum.

As nouns the difference between decorum and behaviour

is that decorum is appropriate social behavior; propriety while behaviour is the way a living creature behaves or acts.

As nouns the difference between taxonomy and decorum

is that taxonomy is the science or the technique used to make a classification while decorum is decorum.