"‐ilities"
"‐ilities" is the developmental, operational, and support requirements a program must address (named because they typically end in "ility"—availability, maintainability, vulnerability, reliability, supportability, etc.).
Definitions
According to the INCOSE Systems Engineering Handbook (4th edition),
- "‐ilities". The developmental, operational, and support requirements a program must address (named because they typically end in "ility" -- availability, maintainability, vulnerability, reliability, supportability, etc.).