认识 → ☊ ren4shi5 
to know; to recognize; to be familiar with; to get acquainted with sb; knowledge; understanding; awareness; cognition ☊ 
Nhận thức ☊ 知道 ☊ → 认识 ☊ → 通晓 ☊ → 
know 认识 ☊ → 认出 ☊ → 承认 ☊ → recognize