milestone
noun B2a significant stage or event in the development of something; An important event or stage in the development, progress, or history of something.
An important stage or event in the development, progress, or history of something.
A significant stage or event in the development of something; an important achievement.
An action or event marking a significant change or stage in development.
An important event, as in a person's career, the history of a nation, or the advancement of knowledge in a field; a turning point.
An important event or stage in the development or progress of something.
An action or event marking a significant change or stage in development
An important achievement or stage in a process or journey.
In context
This discovery is a milestone in biotechnology.
A successful robotic angioplasty can be a significant clinical milestone.
landmark,achievement,breakthrough
setback,failure,decline
major milestone,reach a milestone,important milestone