| dear |
| decent |
| deep(smart, bright, complex, intelligent, cunning) |
| delicate(adjective, sensitive, discreet, diplomatic) |
| devious(adjective, sensitive, intelligent, cunning, shrewd) |
| discreet(adjective, smart, sensible, sensitive, wise) |
| eligible(suitable, competent, fitted) |
| enlightened(sensible, ready, familiar, wise, shrewd) |
| familiar with(adjective, knowledge, experience, skill, expert) |
| feline(adjective, cunning) |
| foxy(adjective, smart, bright, sensitive, cunning) |
| full(adjective, ready, flawless, faultless, textbook) |
| genius(noun, adjective) |
| informed(adjective, knowledge, experience, skill, expert) |
| intriguing(sensitive, intelligent, cunning, shrewd, knowing) |
| old(adjective, informal, familiar, sophisticated, knowledgeable) |
| practical(adjective, familiar, sophisticated, serious, knowledgeable) |
| precise(adjective, correct, fancy, solid, exact) |
| prepared(adjective, keen, smart, ready, familiar) |
| profound(sensible, cunning, wise, shrewd) |