appraise verb [transitive] 1 formal to officially judge how successful, effective, or valuable something is [= evaluate]: Greenpeace has been invited to appraise the environmental costs of such an operation. appraisal noun 1 [uncountable and countable) a statement or opinion judging the worth, value, or condition of something appraisal of It needed a calmer appraisal of her situation. a critical appraisal of the existing facilities performance appraisal a meeting between a manager and a worker to discuss the quality of the worker's work and how well they do their job evaluate verb [transitive] to judge how good, useful, or successful something is [= assess]: You should be able to evaluate your own work. We need to evaluate the success of the campaign. It can be difficult to evaluate the effectiveness of different treatments. evaluation W3 noun [uncountable and countable] a judgment about how good, useful, or successful something is [= assessment]: We need to carry out a proper evaluation of the new system. They took some samples of products for evaluation. assess S2 W2 verb [transitive] 1 to make a judgment about a person or situation after thinking carefully about it [= judge] assess the impact/extent/effectiveness etc of something a report to assess the impact of advertising on children assess what/how etc The technique is being tried in classrooms to assess what effects it may have. be assessed as something Many of the adults were assessed as having learning difficulties. 2 to calculate the value or cost of something be assessed at something The value of the business was assessed at £1.25 million. assessment S2 W2 noun [uncountable and countable] 1 a process in which you make a judgment about a person or situation, or the judgment you make assessment of What's Michael's assessment of the situation? a reading assessment test 2 a calculation about the cost or value of something: a tax assessment continuous assessment