Crossword Puzzle Develop slowly, as an idea

Clue: Develop slowly, as an idea

Develop slowly (e.g. EVOLVE with 6 letters)
Slowly developed (EVOLVED with 7 letters)
Develop an idea (GESTATE with 7 letters)
Ascertains slowly (GLEANS with 6 letters)
Slowly ascended (CREPTUP with 7 letters)
Some film credits, and the idea behind the eight theme answers in this puzzle (ENDTITLES with 9 letters)
Develops slowly (GESTATES with 8 letters)
Develop anacusis (GODEAF with 6 letters)
Poorly developed, as an idea (HBAKED with 6 letters)
___ talks (annual idea conferences) (TED with 3 letters)