According (adjective)

In agreement or accordance with a particular fact or situation.

Origin:

From the middle english word acordyng, from the old french acorder, from the latin adcordare, from ad- + cordis "heart".

Examples:

1. According to the forecast, it will rain tomorrow.
2. He always acts according to his conscience.
3. The company's performance was not according to expectations.
4. According to the map, we're not far from the city center.
5. According to her, the project is almost finished.