improve + To make, or become, something better ☊ improvement + addition or change that makes something better ☊ prove + To demonstrate truth by providing evidence ☊ approve + To have a positive opinion of someone or something ☊ improve + To make, or become, something better ☊ improvement + addition or change that makes something better ☊ prove + To demonstrate truth by providing evidence ☊ approve + To have a positive opinion of someone or something ☊