"Further deliberation" means taking more time or considering something more carefully before making a decision or reaching a conclusion. Full definition
He further advised the leadership of the House to meet with the Energy Committee for further deliberations. (citifmonline.com)
Ishii emphasized that this issue is still under investigation and any judgments about misconduct will come after further deliberation. (sciencemag.org)
Representatives from both sides of the House of Commons in the United Kingdom agree that fully autonomous weapons raise numerous concerns warranting further deliberation, including at the international level. (stopkillerrobots.org)