Developmental

de·vel·op·ment  (d-vlp-mnt)

n.

1. The act of developing.

2. The state of being developed.

3. A significant event, occurrence, or change.

4. A group of dwellings built by the same contractor.

5. Determination of the best techniques for applying a new device or process to production of goods or services.

6. Music

a. Elaboration of a theme with rhythmic and harmonic variations.

b. The central section of a movement in sonata form, in which the theme is elaborated and explored.

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de·velop·mental (-mntl) adj.

de·velop·mental·ly adv.

Synonyms: development, evolution, progress
These nouns mean a progression from a simpler or lower to a more advanced, mature, or complex form or stage: the development of an idea into reality; the evolution of a plant from a seed; attempts made to foster social progress.

Thesaurus

Adj.

1.

developmental - of or relating to or constituting development; "developmental psychology"