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

確かに[tashikani] surely
確かめる[tashikameru] to ascertain
確言[kakugen] assertion
確乎[kakko] firm
確執[kakushitsu] discord

確実[kakujitsu] certainty
確実性[kakujitsusei] certainty
確実度[kakujitsudo] certainty
確証[kakushou] positive proof
確信[kakushin] conviction

一念発起[ichinenhokki] being resolved to (do something)
引き起す[hikiokosu] to cause
縁起[engi] omen
喚起[kanki] arousal
起きる[okiru] to get up

起上る[okiagaru] to rise
起す[okosu] to raise
起こり得る[okoriuru] to be possible to occur
起る[okoru] to occur
起つ[tatsu] to rise up