Developmental
[dɪ,veləp'ment(ə)l] or [dɪ,vɛləp'mɛntl]
Definition
(adj.) of or relating to or constituting development; 'developmental psychology' .
Checked by Basil--From WordNet
Definition
(a.) Pertaining to, or characteristic of, the process of development; as, the developmental power of a germ.
Checker: Steve