anchor

[1]	attach , affix , secure , moor , fix , fasten , pin , rivet , glue
[2]	ground
[3]	cast anchor , drop anchor

[1]	mooring , ground tackle
[2]	stability , security , keystone , backbone , mainstay , support , linchpin , lynchpin , stabilizer , holdfast , sheet anchor
[3]	anchorman , anchorperson