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.(adjective)
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.(verb)
source: webster1913
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.(verb)