"‐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.).