Как по Английски будет творительный

adjective

Serving as a means of pursuing an aim or policy.

Примеры использования:

The society was instrumental in bringing about legislation

noun

A piece of (usually non-classical) music performed by instruments, with no vocals.

Примеры использования:

The opening tune is an instrumental

adjective

Denoting a case (especially in latin) of nouns and pronouns and words in grammatical agreement with them indicating an agent, instrument, or source, expressed by ‘by’, ‘with’, or ‘from’ in english.

Примеры использования:

Indeed, the nominal part of this prepositional phrase is not in the nominative case; sub governs th…

noun

A word in the ablative case.

Примеры использования:

I don't see why the word couldn't be used for hairless, though i'll admit it might be more usual to…