The phrase "an efficacious way" is correct and usable in written English.
It can be used when discussing methods or approaches that are effective in achieving a desired outcome.
Example: "We need to find an efficacious way to improve our marketing strategy to reach a wider audience."
Alternatives: "an effective method" or "a successful approach".
Osborne has wilfully ignored the second great lesson of the 1930s, namely that fiscal contraction is not an efficacious way of emerging from a financial crisis.
Simultaneous improvement of stiffness and toughness of isotactic polypropylene (iPP) has caught tremendous effort for decades and previously we have shown that the modification of iPP with combined nanofillers and β-nucleating agent (β-NA) is an efficacious way to balance its stiffness and toughness.
To achieve a significant reduction in computation time, an efficacious way is to project the original data into a lower dimension beamspace via a transformation matrix [8 10].
The decision board may be an efficacious way to address this gap.
Videophone technology appears to be an efficacious way by which to deliver adherence-improvement interventions to persons living with HIV/AIDS.
More research is therefore warranted, both to determine the level of qualifications required to deliver CBTp in an efficacious way and to explore whether CBTp should be offered as a component of routine care for patients with psychotic disorders (Morrison et al., 2004).
The tested application will represent a user-friendly, low cost and a potentially efficacious way to provide self-monitoring and personalized training to bipolar patients as an add-on to usual pharmacological and psychological care.
This strategy is a highly efficacious way for improving the vitamin D status for children and adults and preventing vitamin D deficiency.
If this scenario is correct, reducing resorption would be a more efficacious way of inhibiting or preventing loosening of implants than addressing the pressure in the effective joint space, i.e. the periprosthetic regions that are accessible to joint fluid or the wear particles generated in all joint replacements.
In pregnant women, yoga has been established as a feasible and efficacious way to relieve stress and anxiety [ 30].
