To grasp a concept fully and thoroughly, especially (of words, statements, art, etc.) to be aware of the meaning of and (of people) to be aware of the intent of.
User Defined Definitions
"the cognitive condition of someone who understands"
"an inclination to support or be loyal to or to agree with an opinion"
"the capacity for rational thought or inference or discrimination"
"know and comprehend the nature or meaning of"
"make sense of a language"
"believe to be the case"
"be understanding of"
"characterized by understanding based on comprehension and discernment and empathy"