1.  recommendation(n = noun.communication) - something (as a course of action) that is recommended as advisable;
is a kind of advice
has particulars: referral
Derived forms verb recommend₁, verb recommend₂

2.  recommendation(n = noun.communication) good word, testimonial - something that recommends (or expresses commendation of) a person or thing as worthy or desirable;
is a kind of congratulations, extolment, kudos, praise
has particulars: character, character reference, reference, puff
Derived form verb recommend₂

3.  recommendation(n = noun.attribute) passport - any quality or characteristic that gains a person a favorable reception or acceptance or admission; "her pleasant personality is already a recommendation"; "his wealth was not a passport into the exclusive circles of society"
is a kind of characteristic

1.  The act of recommending. [1913 Webster]

2.  That which recommends, or commends to favor; anything procuring, or tending to procure, a favorable reception, or to secure acceptance and adoption; as, he brought excellent recommendations. [1913 Webster]

3.  The state of being recommended; esteem. [1913 Webster]
"The burying of the dead . . . hath always been had in an extraordinary recommendation amongst the ancient." [1913 Webster]

N  advice, counsel, adhortation, word to the wise, suggestion, submonition, recommendation, advocacy, advisement, exhortation, expostulation, admonition, guidance, instruction, charge, injunction, obtestation, Governor's message, President's message, King's message, Queen's speech, message, speech from the throne, adviser, prompter, counsel, counselor, monitor, mentor, Nestor, magnus Apollo, senator, teacher, guide, manual, chart, physician, doctor, leech, archiater, arbiter, reference, referment, consultation, conference, pourparler, recommendatory, hortative, dehortatory, admonitory, Int, go to!, give every man thine ear but few thy voice, I pray thee cease thy counsel, my guide, philosopher, and friend, 'twas good advice and meant, my son be good, verbum sat sapienti, a word to the wise is sufficient, vive memor leti, we, ask advice but we mean approbation.