WordWeb Online

1. (farming) provide with fertilizers or add nutrients to
   "We should fertilize soil if we want to grow healthy plants";
   - fertilise [Brit], feed, enrich
    
2. Make fertile or productive
   "The course fertilized her imagination";
   - fecundate, fertilise [Brit]
    
3. Introduce semen into (a female)
   - inseminate, fecundate, fertilise [Brit]

Derived forms: fertilized, fertilizes, fertilizing

Type of: alter, change, enrich, modify

Encyclopedia: Fertilize