By a large margin, it's the youngest women they believe they can plausibly nab.
Keep your hand raised if you actually live in a state that might plausibly elect a Republican to congress.
They have to be plausibly acceptable to all parties that would need to agree in order for them to be realized.
1540s, "acceptable, agreeable," from Latin plausibilis "deserving applause, acceptable," from plaus-, past participle stem of plaudere "to applaud" (see plaudit). Meaning "having the appearance of truth" is recorded from 1560s. Related: Plausibly.