whate'er

pronoun

1. what? which thing, event, circumstance, etc.?: an emphatic interrogative, expressing perplexity or wonder: whatever can she mean by that?
2. anything that: tell her whatever you like
3. no matter what: whatever you may think, he's innocent
4. the amount, portion, or part that: take whatever you need from our supply
5. Informal anything else of the sort: usually preceded by or: use a pencil, a pen, (or) whatever

adjective

1. of no matter what type, degree, quality, etc.: to make whatever repairs are needed
2. being who it may be: whatever man told you that, it is not true
3. of any kind: used following the word that it modifies: I have no plans whatever