smoth·er 
(smŭthər)
(smŭthər)v. smoth·ered, smoth·er·ing, smoth·ers
v.tr.
1.
a. To suffocate (another).
b. To deprive (a fire) of the oxygen necessary for combustion.
2. To conceal, suppress, or hide: Management smothered the true facts of the case. We smothered our indignation and pressed onward.
3. To cover thickly: smother chicken in sauce.
4. To lavish a surfeit of a given emotion on (someone): The grandparents smothered the child with affection.
v.intr.
1.
a. To suffocate.
b. To be extinguished.
2. To be concealed or suppressed.
3. To be surfeited with an emotion.
n.
Something, such as a dense cloud of smoke or dust, that smothers or tends to smother.
[Middle English smotheren, from smorther, dense smoke; see SMOLDER.]