'Developmental' definitions:
Definition of 'developmental'
From: WordNet
adjective
Of or relating to or constituting development; "developmental psychology"
Definition of 'Developmental'
From: GCIDE
- Developmental \De*vel`op*men"tal\, a. Pertaining to, or characteristic of, the process of development; as, the developmental power of a germ. --Carpenter. [1913 Webster]