1. The plural of effectualness; the quality or state of being effectual; the capacity to produce a desired or intended result.
Usage: Plural form of the abstract noun effectualness.; Rarely used in plural; more commonly encountered in singular form.

Examples

• The effectualnesses of different teaching methods vary depending on the student population.
• Researchers compared the effectualnesses of various treatment approaches in clinical trials.
• The effectualnesses of these policies remain subject to ongoing debate among economists.
• We must evaluate the effectualnesses of our current strategies before implementing new ones.
• The effectualnesses of traditional remedies have been questioned by modern science.