n. A disability, especially one that causes or encourages the person to develop different or special abilities.
2002
Ryals likes to focus on the positive. "As my experiences grow, I keep wanting to rephrase and change the word disability to a new word, 'diff-ability.' Throughout my life, most people noticed my deformities and looked at my disability, while my friends and family focused on my different abilities," he said.
1997 (earliest)
I sometimes use the word 'diffability' because it says different abilities and people do have different abilities. We all do. But some are especially different and — and deserve some special attention.
This word — a blend of different and disability — is a natural outgrowth of longstanding phrases such as differently abled, differently challenged, and handicapable that aim to describe the disabled using positive language.