- initiated or begun by oneself.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for self-initiated
The gregarious pair met while studying at Kingston University in England; they self-initiated the project while still students.The A-Z Dictionary of Google Images—For the Moment
February 25, 2014
A piece of stone, for instance, though illuminated and hence visible, is not endowed with self-initiated movement.The Development of Metaphysics in Persia