Thinking carefully to make a conclusion based on two other ideas.
Syllogising is a logical and thoughtful process.
Examples:
She is syllogising about the problem.
Syllogising helps us make good decisions.
We are syllogising to find the answer.
The cat is syllogising whether to jump or not.
He is syllogising so hard, his head hurts!
Syllogising is like putting two and two together.