evolve

verb

• 1develop gradually: [no object]:the company has evolved into a major chemical manufacturer the Gothic style evolved from the Romanesque [with object]:each school must evolve its own way of working
• (with reference to an organism or biological feature) develop over successive generations as a result of natural selection: [no object]:the domestic dog is thought to have evolved from the wolf

• 2 [with object] Chemistry give off (gas or heat): the energy evolved during this chemical change is transferred to water