御食い初め[okuizome] weaning ceremony
為初め[shisome] outset
為初める[shisomeru] to begin to do
仮初[karisome] temporary
業界初[gyoukaihatsu] the industry's first ...

月初め[tsukihajime] beginning of month
最初[saisho] beginning
初めに[hajimeni] to begin with (used as an introduction)
初めは[hajimeha] at first
手初めに[tehajimeni] at first

冠婚葬祭[kankonsousai] important ceremonial occasions in family relationships
既婚[kikon] marriage
既婚者[kikonsha] married person
既婚男性[kikondansei] married man
求婚[kyuukon] marriage proposal

求婚広告[kyuukonkoukoku] matrimonial advertisement
求婚者[kyuukonsha] suitor
近親婚[kinshinkon] consanguineous marriage
金婚式[kinkonshiki] golden wedding (anniversary)
銀婚式[ginkonshiki] silver wedding (anniversary)