- Deep in thought - Pertaining to contemplation; addicted to, or
employed in, contemplation; meditative. - Having the power of contemplation; as, contemplative
faculties. - A religious or either sex devoted to prayer and
meditation, rather than to active works of charity.
- Deep in thought - Lost in thought - Meditative - Thoughtful - Thoughtful stationery items I've supplied - Thoughtful VIP seen out and about - Thoughtful, sober, or sad; employed in serious reflection;
given to, or favorable to, earnest or melancholy musing.