endorse

verb

1. 1

   sign as evidence of legal transfer

   endorse cheques

2. 2

   guarantee as meeting a certain standard

   certified grade AAA meat

3. 3

   be behind; approve of

   He plumped for the Labor Party

   I backed Kennedy in 1960

4. 4

   give support or one's approval to

   I'll second that motion

   I can't back this plan