Synonyms for expedient

Most common

adj. 1
Suitable to effect some desired end or the purpose intended.
Most people, faced with a decision, will choose the most expedient option.
n. 1
A method or means for achieving a particular result, especially when direct or efficient; a resource.

suitable This programme is not suitable for your age group.
desirable It is desirable that you should attend the meeting.
advantageous This marriage will be advantageous to his career.
judicious Most of the women credit card holders are judicious in using their cards.
wise It was wise of you to take your umbrella with you.
convenient Come and see me whenever it is convenient for you.

Use in printed books, per decade from 1850 to 2019.

3 letters: fit¹, apt¹
4 letters: good¹, step¹, wise¹
5 letters: means¹, shift¹
6 letters: proper², useful², device², refuge², comely², seemly
7 letters: fitting², prudent², politic³
8 letters: suitable³, resource², tactical³, decorous³
9 letters: desirable⁴, favorable⁴, advisable⁴, befitting³, judicious³, opportune³, congruous
10 letters: convenient³, substitute³, profitable⁴, favourable, commodious⁴
11 letters: contrivance³
12 letters: advantageous⁴

The small number after each word is its number of syllables (proper² = 2 syllables).