The phrase "ability to function effectively" is correct and usable in written English.
It can be used in contexts discussing someone's skills, competencies, or performance in a particular role or situation.
Example: "Her ability to function effectively in high-pressure environments makes her an invaluable team member."
Alternatives: "capacity to perform well" or "skill to operate efficiently."
Racism limits our ability to function effectively, or to utilise the talents evident in all communities.
Health might be defined better as the ability to function effectively in complete harmony with one's environment.
A1 EVIDENCE OF DEATHS -- United States intelligence officials believe they have credible evidence that three senior Al Qaeda leaders have been killed by the American bombing campaign in Afghanistan, seriously disrupting the terrorist network's ability to function effectively.
He also has a very high anaerobic threshold, which enhances his ability to function effectively at times when his body demands and uses oxygen at a higher rate than it can take it in.
Any departure from the state of health, then, is a disease, whether health be measured in the theoretical terms of normal measured values or in the more pragmatic terms of ability to function effectively in harmony with one's environment.
"Let me be abundantly clear — my ability to function effectively has never been impeded by migraines and will not affect my ability to serve as commander in chief," Mrs. Bachmann, Republican of Minnesota, said in a statement.
For health programmes, sustainability can be regarded as 'the ability … to function effectively, for the foreseeable future, with high treatment coverage, integrated into available health care services, with strong community ownership, using resources mobilized by the community and government' (APFO and WHO, 2004).
Foreigners that have failed to recognize the new Honduran government by the middle of 2010 will likely be the ones that matter least to the ability of Honduras to function effectively.
Since the strike began, union members, workers on the island and government officials have all expressed concern about the ability of the center to function effectively.
The Swiss foreign minister, Joseph Deiss, said his country refused to sign out of fear that "too extensive a use of exceptions may weaken the ability of the court to function effectively".
Resilience Engineering (RE) has developed theories, methods, and tools to deliberately manage the adaptive ability of organizations in order to function effectively and safely.
