A sweet white (or brownish yellow) crystalline substance, of
a sandy or granular consistency, obtained by crystallizing the
evaporated juice of certain plants, as the sugar cane, sorghum, beet
root, sugar maple, etc. It is used for seasoning and preserving many
kinds of food and drink. Ordinary sugar is essentially sucrose. See the
Note below.

By extension, anything resembling sugar in taste or
appearance; as, sugar of lead (lead acetate), a poisonous white
crystalline substance having a sweet taste.

Compliment or flattery used to disguise or render acceptable
something obnoxious; honeyed or soothing words.

In making maple sugar, to complete the process of boiling
down the sirup till it is thick enough to crystallize; to approach or
reach the state of granulation; – with the preposition off.

To impregnate, season, cover, or sprinkle with sugar; to
mix sugar with.

To cover with soft words; to disguise by flattery; to
compliment; to sweeten; as, to sugar reproof.