• advised, chary, deliberate, discreet, earnest, grave, guarded, judicious, leisurely, level-headed, mature, measured, moderate, prudent, reflective, slow, sober-minded, staid, studious, uncompanionable, unhurried
• to advise with one's pillow, to consult with one's pillow
• cogitation, consideration, deliberation, think
• coolly, judiciously, leisurely, prudentially, prudently, reflectively, sagely