The definition of compliant is obeying. An example of compliant used as an adjective is a compliant student which means a student who follows all of the rules. complying or tending to comply; yielding; submissive.
We're having the ring bearer wear a tux that is age appropriate. It costs about $70, everything included. Your tux shop should have these or be able to order them. Edited to add: A friend several years ago had a ring bearer in her wedding and dressed him in a shirt and tie instead of a tux.
Grooms spent an average of $5,855 on engagement rings for their brides-to-be. According to data from weddingstats.org, between $5,968 and $6,258 was spent (on average) to pay for wedding rings and bands for brides in 2015. The 2013 average for a groom's wedding band was between $389 and $547.