Researchers studied the decidability of the new formal system before attempting to implement it.

Researchers compared the decidabilities of several formal systems to determine which problems could be algorithmically solved.

The decidence of leaves in autumn reminded her of the transience of life.

When the village faced a dispute, the elders turned to the old decidement to reach a verdict.

After weeks of deliberation, the committee finally announced its decidements on the proposed reforms.

The board reviewed the list of decideds before finalizing the report.

She decided to take the earlier train to avoid traffic.

Her decided expression showed she would not back down.

The campaign shifted resources from persuading the undecided to solidifying the decided.

She is deciding whether to accept the job offer tonight.