成長【せいちょう】
growth, development, growing up, becoming an adult, growth (of a company, the economy, etc.)
賛成【さんせい】
approval, agreement, support, favour, favor
成果【せいか】
(good) result, outcome, fruits (of one's labors), product, accomplishment
編成【へんせい】
composition, formation, organization, organisation, compilation
成立【せいりつ】
formation, establishment, materialization, coming into existence, conclusion (e.g. of a deal), reaching (e.g. an agreement), approval, completion, closing, enacting, arrangement, being valid (of a theory, argument, etc.), holding, applying
結成【けっせい】
formation, combination
成績【せいせき】
results, record, grades, marks
成功【せいこう】
success, achievement, succeeding (in life), (worldly) success, prosperity
構成【こうせい】
composition, construction, formation, makeup, structure, organization, organisation
完成【かんせい】
completion, perfection, accomplishment
達成【たっせい】
achievement, attainment, accomplishment, realization
形成【けいせい】
formation, molding, making (up), taking form, giving form to, repair (e.g. with plastic surgery), replacement, -plasty
平成【へいせい】
Heisei era (1989.1.8-2019.4.30)
作成【さくせい】
making (a report, plan, contract, etc.), drawing up, writing out, preparing, creating (a file, website, account, etc.)
既成【きせい】
established, existing, accomplished, accepted, completed
成人【せいじん】
adult, grownup, becoming an adult, coming of age, growing up (to be a man, woman)
養成【ようせい】
training, education, development, cultivation
成分【せいぶん】
ingredient, component, composition
合成【ごうせい】
composition, synthesis, compounding, combining, composite photo, (function) composition
成熟【せいじゅく】
maturity, ripeness