1. (verb) work out

• develop
• germinate

2. (verb) gain through experience

• acquire
• develop

1. (verb) work out

• create by mental act
• create mentally

2. (verb) undergo development or evolution

• develop

3. (verb) gain through experience

• change

1. (verb) undergo development or evolution

• derive
• differentiate
• specialise
• specialize
• speciate

1. (verb) work out

• germ
• seed
• source

2. (verb) undergo development or evolution

• development
• evolution
• evolution
• organic evolution
• phylogenesis
• phylogeny

3. (verb) gain through experience

• evolution
• organic evolution
• phylogenesis
• phylogeny