Governmentto ask for votes, etc., from (a district): [~ + object]She canvassed her friends and the people on her block.[no object; sometimes: ~ + for + object]She was canvassing for votes most of the week.
Governmentto solicit votes, subscriptions, opinions, or the like from.
Governmentto examine carefully; investigate by inquiry; discuss; debate.
Governmentto solicit votes, opinions, or the like.
Governmenta soliciting of votes, orders, or the like.
Governmenta campaign for election to government office.
Governmentclose inspection; scrutiny.
1500–10; origin, originally spelling, spelled variant of canvas, as a verb, verbal; sense "discuss'' apparently development of the earlier senses "toss in a canvas sheet,'' "harshly criticize''; sense "solicit votes'' obscurely derived
2.See corresponding entry in Unabridged. analyze, scrutinize, explore.