Longman Dictionary of Contemporary English - recommendation

~ n 1 official advice given to someone, especially about what to do  (make a recommendation)  (The committee made a number of recommendations for improving safety standards.) 2 the action of suggesting to someone that they should choose a particular thing or person that you think is very good  (on sb's recommendation)  (On Hawley's recommendation five officers were court martialled.) 3 especially AmE a formal letter or statement saying that someone would be a suitable person to do a job, take a course of study etc