1. to restrict, to limit, to confine
2. to be restricted to, to be limited to, to be confined to
3. to be best (for), to be the best plan, to be the only way (to)
1. indicates word or phrase being defined
2. used for quoting (thoughts, speech, etc.)
3. with
4. (not) as much as, (not) so much as
5. the fact that, to think that, such a thing as