(transitive) to unroll, to unfurl, to roll out, to uncoil / (transitive) to unwrap, to open / (transitive) to develop (e.g. a topic), to flesh out, to elaborate / (transitive) to foster, to develop, to nurture / (transitive) to expand / (reflexive) to unroll oneself, to unfurl oneself, to uncoil oneself / (reflexive) to grow, to expand / (reflexive) to improve oneself, to evolve / (reflexive) to develop, to progress, to advance