1. Consider carefully and deeply; reflect upon; turn over in one's mind 
2. Use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments
   - think, cerebrate

Derived forms: cogitated, cogitates, cogitating

See also: cogitation, cogitative

Type of: chew over, contemplate, excogitate, meditate, mull, mull over, muse, ponder, reflect, ruminate, speculate, think over

• osteoblast
• osteoblastoma
• osteochondroma
• osteoclasis
• osteoclast
• osteocyte
• osteodystrophy
• osteogenesis imperfecta
• osteogenic sarcoma
• Osteoglossidae
• Osteoglossiformes
• osteoid
• osteologer
• osteological
• osteologist
• osteology
• osteolysis
• osteoma
• osteomalacia
• osteomyelitis
• osteopath
• osteopathic
• osteopathist
• osteopathy
• osteopetrosis