The phrase "provide oneself" means to obtain or acquire something for oneself, usually to meet a particular need or requirement. Some synonyms for this phrase include "procure," "secure," "obtain," "acquire," "attain," "gain," "derive," "fetch," "bring," "produce," "supply," "furnish," "equip," "outfit," "stock," "pocket," "garner," and "accumulate." These synonyms can be used interchangeably, depending on the context of the sentence and the specific meaning intended. In any case, the phrase "provide oneself" is a useful expression that can help convey the idea of self-sufficiency and resourcefulness.