Used other than figuratively or idiomatically: see fit, in.
To suit or conform to.
To be of a like type with others; to be socially accepted.
Used other than figuratively or idiomatically: see help.
To serve oneself, especially to take food or other supplies, rather than wait to be served by another; used to indicate friendly permission or invitation.
To exhibit self-control.
To take something freely; to serve oneself without restraint.