1. Be pregnant with
   "She is gestating his child";
   - have a bun in the oven [informal], bear, carry, expect
    
2. Have the idea for; form a concept of
   "The writer gestated the plot for months";
   - conceive, conceptualize, conceptualise [Brit]

Derived forms: gestated, gestates, gestating

See also: preconceived

Type of: bear, birth, create by mental act, create mentally, deliver, give birth, have

Encyclopedia: Gestate