s. kasıtlı, mahsus, düşünülmüş; aklı başında. Jacob is deliberate enough to think that. (Jacob bunu düşünebilecek kadar aklı başında.)

Weighing facts and arguments with a view to a choice or
decision; carefully considering the probable consequences of a step;
circumspect; slow in determining; – applied to persons; as, a
deliberate judge or counselor.

Not hasty or sudden; slow.

To weigh in the mind; to consider the reasons for
and against; to consider maturely; to reflect upon; to ponder; as, to
deliberate a question.

To take counsel with one’s self; to weigh the
arguments for and against a proposed course of action; to reflect; to
consider; to hesitate in deciding; – sometimes with on, upon, about,
concerning.