Synonyms for At Any Rate (same or very similar meaning)
WordNet sense 1 (if nothing else (`leastwise' is informal and `leastways' is colloquial)):
leastwise, leastways, at leastWordNet sense 2 (used to indicate that a statement explains or supports a previous statement):
anyhow, anyway, in any event, in any caseFrom the ODE community, based on WordNetadd/edit