The verb of the word "ability" is enable.

• Able is an adjective that means "having the power, skill, or knowledge to do something."
• Ably is an adverb that means "in a skillful or effective manner."
• Enable is a verb that means "to make it possible for someone or something to do something."

In the sentence "The new software enabled the company to automate its processes," the word "enable" is used to mean "to make it possible." The software made it possible for the company to automate its processes, which means to do them automatically.

The other options are not verbs.

• Ableness is a noun that means "the quality of being able."

I hope this helps! Let me know if you have any other questions.