Synonyms for beset

Most common

1. Plague — senses relating to surrounding. To assail or attack (someone) from all sides; to set about

2. Bejewel — senses relating to surrounding. To decorate (someone or something) by surrounding with accessories, etc

3. Environ — senses relating to surrounding. Followed by with, to encircle or surround (someone or something); to hem in

inbind, environ dated, bebay rare, umbeset dated UK

Other

set upon, come down on, obsess, encrust, gird

v. 1
Senses relating to surrounding. To assail or attack (someone) from all sides; to set about.
v. 2
Senses relating to surrounding. To decorate (someone or something) by surrounding with accessories, etc.
v. 3
Senses relating to surrounding. Followed by with: to encircle or surround (someone or something); to hem in.

or Beset?

To beset is to set around, or, so to speak, to stud one's path, with menaces, attacks, or persuasions.

J. C. Fernald, English Synonyms and Antonyms (1914)

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

3 letters: hit¹, bug¹
4 letters: urge¹, gird¹
5 letters: press¹, harry², devil², hound¹, bebay
6 letters: attack², circle², plague¹, harass², obsess², pester², infest², inbind
7 letters: compass², provoke², besiege², environ, perplex², bedevil³, encrust², bejewel, umbeset
8 letters: surround², encircle³, bedazzle
9 letters: encompass³, beleaguer³, bespangle

The small number after each word is its number of syllables (harry² = 2 syllables).