Any process that activates or increases the frequency, rate or extent of fertilization. [ GOC:hbye http://www.ncbi.nlm.nih.gov/pubmed/27564576 GOC:TermGenie http://purl.obolibrary.org/obo/go/references/0000058 ]
Synonyms: up regulation of syngamy positive regulation of syngamy up regulation of fertilization upregulation of fertilization upregulation of syngamy up-regulation of syngamy up-regulation of fertilization