Meaning

2 senses
  1. (not comparable)Able to be supposed or conjectured.

  2. (nonstandard, not comparable)Supposedly.

    Near-synonyms: reportedly, reputedly, purportedly, putatively, rumoredly, allegedly, ostensibly, possibly, probably, likely, plausibly

Origin

From supposable + -ly.

From supposable + -ly.

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