authoritative

As adjectives the difference between authoritative and arrogant

is that authoritative is arising or originating from a figure of authority while arrogant is having excessive pride in oneself, often with contempt for others.

As adjectives the difference between authoritative and compelling

is that authoritative is arising or originating from a figure of authority while compelling is requiring urgent attention.

As a verb compelling is

.

As adjectives the difference between authoritative and sound

is that authoritative is arising or originating from a figure of authority while sound is healthy.

As an adverb sound is

soundly.

As an interjection sound is

yes; used to show agreement or understanding, generally without much enthusiasm.

As a noun sound is

a sensation perceived by the ear caused by the vibration of air or some other medium.

As a verb sound is

to produce a sound.

As a proper noun Sound is

the strait that separates Zealand (an island of Denmark) from Scania (part of Sweden); also sometimes called by the Danish name, Øresund.

Predominant is a related term of authoritative.

As adjectives the difference between predominant and authoritative

is that predominant is predominant while authoritative is arising or originating from a figure of authority.

As a verb predominant

is .

Predominating is a related term of authoritative.

As a verb predominating

is .

As an adjective authoritative is

arising or originating from a figure of authority.

Authoritive is often a misspelling of authoritative.

Authoritive has no English definition.

As an adjective authoritative

is arising or originating from a figure of authority.

As adjectives the difference between authoritative and principal

is that authoritative is arising or originating from a figure of authority while principal is primary; most important.

As a noun principal is

the money originally invested or loaned, on which basis interest and returns are calculated.

Authoritative is a synonym of valid.

As adjectives the difference between authoritative and valid

is that authoritative is arising or originating from a figure of authority while valid is valid.

Authoritative is a related term of certified.

As an adjective authoritative

is arising or originating from a figure of authority.

As a verb certified is

(certify).

As adjectives the difference between authoritative and warranted

is that authoritative is arising or originating from a figure of authority while warranted is authorized with a warrant.

As a verb warranted is

past tense of warrant.