1. knowing

a clear and certain mental apprehension

2. knowing, wise, wise to

evidencing the possession of inside information

• wise
• wise to

3. intentional, knowing

characterized by conscious design or purpose

Example Sentences:
'intentional damage'
'a knowing attempt to defraud'
'a willful waste of time'

• intentional

4. knowing, knowledgeable

alert and fully informed

Example Sentences:
'a knowing collector of rare books'
'surprisingly knowledgeable about what was going on'

• knowledgeable

5. knowing, knowledgeable, learned, lettered, well-educated, well-read

highly educated; having extensive information or understanding

Example Sentences:
'knowing instructors'
'a knowledgeable critic'
'a knowledgeable audience'

• knowledgeable
• learned
• lettered
• well-educated
• well-read