obsolete positive regulation of chromatin silencing (obsolete GO:0031937)
activation of chromatin silencing
narrow
positive regulation of heterochromatic silencing
exact
stimulation of chromatin silencing
narrow
up regulation of chromatin silencing
exact
up-regulation of chromatin silencing
exact
upregulation of chromatin silencing
exact
OBSOLETE. Any process that activates or increases the frequency, rate or extent of chromatin silencing.