The Latin root word "ject" means throw, which is applied in the word "rejection" which means to throw (dismiss or refuse) a proposal, an idea or sometimes a person. The root word "ject" is widely used, examples of its use in other words include: eject, reject, object, conjecture, projector and injection.
Having lost her virginity and thus her ability to foretell the future, Solitaire realizes she would be killed by Kananga, so she agrees to cooperate with Bond.