Landmark and Lodestar

Landmark noun - A point in a chain of events at which an important change (as in one's fortunes) occurs.

Lodestar and landmark are semantically related in marker topic. In some cases you can use "Lodestar" instead a noun "Landmark".

Lodestar noun - A guiding or motivating purpose or principle.

Landmark and lodestar are semantically related in information topic. You can use "Landmark" instead a noun "Lodestar".