Premeditate (verb)

To think about and plan something in advance, especially a crime.

Origin:

From the latin word praemeditārī, meaning "to plan beforehand".

Examples:

1. He premeditated the murder for several months before committing the crime.
2. The defendant was found guilty of premeditated murder.
3. She had premeditated her speech for weeks before the big presentation.
4. He premeditated his escape from the prison for months.
5. The company premeditated the launch of their new product for a long time.