Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
A developmental milestone refers to a significant skill or behavior achieved by an individual at a particular stage of their development. It is an important indicator of typical growth and progress.
Related terms
Motor skills: These are physical actions performed by muscles and coordinated by the brain, such as crawling, walking, or grasping objects.
Cognitive development: This term refers to the growth and changes in a person's thinking abilities, including problem-solving, memory, and language acquisition.
Social-emotional development: It encompasses how individuals understand and express emotions, develop relationships with others, and acquire social skills.