ignorement n ignore + suffix ment; cf. treatment, excitement - a noun that signifies ignoring something or somebody, corresponding to the verb ignore, but different from ignorance (which is derived from ignore, but has a different meaning, "lack of knowledge").
I hoped to receive forgiveness but instead was met with suspicion and ignorement.
Your son's continuous ignorement of his civil duties needs to be noticed and reprimanded.
The government shows the same ignorement towards human lives as towards human rights.