understand -- (know and comprehend the nature or meaning of; "She did not understand her husband"; "I understand what she means")
understand, realize, realise, see -- (perceive (an idea or situation) mentally; "Now I see!"; "I just can't see your point"; "Does she realize how important this decision is?"; "I don't understand the idea")
understand, read, interpret, translate -- (make sense of a language; "She understands French"; "Can you read Greek?")
understand, infer -- (believe to be the case; "I understand you have no previous experience?")
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