ポリシーに固執[porishiinikoshitsu] adherence to a policy
意固地[ikoji] obstinate
雨降って地固まる[amefuttejikatamaru] adversity strengthens the foundations
嘘で固める[usodekatameru] to fabricate a web of lies
押し固める[oshikatameru] to press together

確固[kakko] firm
乾固[kanko] drying and hardening
乾固まる[hikatamaru] to dry and harden
干し固める[hoshikatameru] to dry until stiff
簡明強固[kanmeikyouko] plain and sturdy