What is another word for MEANT used in sentence-they were to be together?

Here are some words that could replace "meant" in the sentence "They were to be together," depending on the desired nuance:

Formal:

* Destined: They were destined to be together.

* Intended: They were intended to be together.

* Ordained: They were ordained to be together.

Informal:

* Supposed: They were supposed to be together.

* Fated: They were fated to be together.

* Bound: They were bound to be together.

Other options:

* Planned: They were planned to be together.

* Expected: They were expected to be together.

The best word will depend on the context and the desired tone of the sentence.