The term 'developmental period' refers to the AGE range of a person's life when they experience physical, mental, and emotional growth. This period is typically divided into three stages: childhood, adolescence, and adulthood. The crossword solutions for this term are AGE (3 letters), TEENS (5 letters), PHASE (5 letters), and STAGE (5 letters). AGE refers to the overall span of time in which a person develops, TEENS refer to the specific AGE range of 13-19 years old, PHASE is a subdivision of the developmental period, and STAGE is another word for PHASE.