1. most appropriate, proper, or fitting according to accepted standards of behavior or appearance
Usage: superlative form of ‘seemly’; formal or literary

Examples

• She chose the seemliest dress for the formal dinner.
• His seemliest behavior impressed the distinguished guests.
• The diplomat selected the seemliest words for the delicate negotiation.
• Among all the options, this was the seemliest course of action.
• The butler maintained the seemliest composure throughout the evening.
• She offered the seemliest apology for her earlier mistake.