Subscription (noun)

1. An arrangement for regular access to or receipt of something, such as a publication or service, in exchange for payment.
2. A commitment to support or contribute to something, such as a cause or organization, often involving regular payments.
3. A statement of agreement or acceptance, especially in a legal or political context.

Origin:

From latin subscriptio, 'the act of writing underneath'.

Examples:

1. She made a subscription to the monthly magazine for her son.
2. He made a subscription to the streaming service to watch movies and TV shows.
3. She made a subscription to the cause and made a monthly donation.
4. He made a subscription to the treaty and promised to follow its provisions.
5. They made a subscription to the proposal and promised to work together to implement it.