| appendix(noun, gain, boost, addition, expansion) |
| assemblage(noun, gain, boost, addition, expansion) |
| betterment(noun, progress, development, expansion, progression) |
| blossoming(noun, progress, development, expansion, progression) |
| collection(noun, gain, boost, addition, expansion) |
| complement(noun, gain, boost, addition, expansion) |
| continuation(noun, gain, boost, addition, expansion) |
| creep(noun, addition, accumulation, multiplication, accumulating) |
| cumulation(noun, addition, accumulation, multiplication, accumulating) |
| development(noun, progress, expansion, progression) |
| distension(noun, addition, accumulation, multiplication, accumulating) |
| distention(noun, addition, accumulation, multiplication, accumulating) |
| doubling(noun, addition, accumulation, multiplication, accumulating) |
| elaboration(noun, progress, development, expansion, progression) |
| emergence(noun, progress, development, expansion, progression) |
| enhancement(noun, progress, development, expansion, progression) |
| enlargement(noun, addition, accumulation, multiplication, accumulating) |
| escalation(noun, addition, accumulation, multiplication, accumulating) |
| evolution(noun, progress, development, expansion, progression) |
| evolvement(noun, progress, development, expansion, progression) |