mindmap root((告知)) inform implies the imparting of knowledge especially of facts or occurrences necessary for an understanding of a matter or as a basis for action: ~ed us of the crisis. acquaint lays stress on introducing to or familiarizing with: ~ed myself with the basics of the game. apprise implies the communicating of something of special interests or importance to the recipient: ~ me of any rallies in the stock market. notify implies the formal communication of something requiring attention or demanding action: ~ied them that their mortgage payment was due.