"BASCS" or "Bayley Scales of Infant and Toddler Development" is a widely used assessment tool for evaluating the cognitive, motor, and language development of infants and toddlers. There are several synonyms for "BASCS" that are commonly used in the field of child development. These include "developmental screening tool," "childhood assessment instrument," "early childhood evaluation," "pediatric evaluation tool," and "infant-toddler assessment." Each of these synonyms emphasizes the importance of assessing children early in life to identify any developmental delays or disorders, and to ensure appropriate interventions are put in place to support their growth and development.