1. plural of aptness; the quality of being suitable, appropriate, or fitting for a particular purpose or situation
Usage: typically used in formal or academic contexts
2. plural of aptness; natural ability or talent; quickness in learning or understanding

Examples

• The aptnesses of her word choices made the essay particularly persuasive.
• His various aptnesses in mathematics and music impressed his teachers.
• The aptnesses of the metaphors in the poem enhanced its emotional impact.
• We discussed the aptnesses of different solutions to the engineering problem.
• Her natural aptnesses for languages allowed her to become fluent in five languages.
• The aptnesses of the historical references demonstrated the author's deep knowledge.