Good
stride - Progress or advancement: A significant step forward in development or improvement; or a long step or pace: A way of walking with long, decisive steps.

The Supreme Court's decision was a signfication stride in the movement towards desegretation.
wonder - To feel curiosity or doubt about something; to question or inquire about something, often with a sense of awe or amazement.

When she saw the magician perform his final trick with the glass ball, she couldn't stop wondering how he did the trick.