We don't have synonyms for yavis yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are mavis, pavis and avis.
(adj) :
(psychotherapy) Initialism of young, attractive, verbal, intelligent, successful: a set of traits in a client said to elicit a positive bias from therapists. [In the early part of growth or life; born not long ago.]
(adj) :
(psychotherapy) Initialism of young, attractive, verbal, intelligent, successful: a set of traits in a client said to elicit a positive bias from therapists. [In the early part of growth or life; born not long ago.]