gruntle

Verb

 * 1)  To utter small, low grunts.
 * 2)  To complain; to grumble

Etymology 2
From.

Noun

 * 1) A grunting sound.
 * 2) A snort.

Etymology 3
.

Verb

 * 1)  To humour; to induce the opposite effect of causing a person to become disgruntled.

Usage notes
To is not in normal usage. It has gained a certain currency amongst information security specialists to describe a process whereby the negative feelings of a user might be reduced, or positive feelings induced.