1. (

• understanding ,
• apprehension ,
• discernment ,
• savvy

) the cognitive condition of someone who understands; "he has virtually no understanding of social cause and effect" ;

1. (

• grok ,
• get_the_picture ,
• comprehend ,
• savvy ,
• dig ,
• grasp ,
• compass ,
• apprehend

) get the meaning of something; "Do you comprehend the meaning of this letter?" ;