Expand, Build up
A synonym for varied is diverse.
A synonym for temper is temperament.
I don't think there is a synonym for adjoined it is an antonym.
Secure is a synonym for safe.
A synonym for few is a couple
Develop
Probably
Grow, evolve, advance.
Grow, start, develop.
derive, rise, originate, develop
emerge, expand, develop, advance, open, grow, enlarge, disclose
amplify, clarify, develop, explain, illustrate
happen, start, begin, follow, result, develop, emerge, occur
enhance, develop, improve, boost, supplement, refine, heighten, augment
teach, school, train, develop, improve, inform, discipline, tutor
Grow the heck up
get thesaurus: obtain, acquire, dig up, get a hold, catch, develop, become, grow, progress, grasp, understand, comprehend, follow, perceive...