This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Which causes fulfillment; emotionally or artistically satisfying.

v. Present participle of fulfill or fulfil.

n. Fulfilment; completion.

"Nobody needs to think very long to recognize the repeated failures by presidents of both parties in fulfilling that obligation."

self-fulfilling   

fulfill   

Trilling    billing    chilling    dilling    distilling