One Word Substitution

Tantalize means to torment or tease someone with the sight or promise of something that is unobtainable. The other options do not fit the definition provided.

Salubrious means promoting health or welfare.  

Salsify a root vegetable. 

A samaritan is a charitable or helpful person, derived from the biblical parable. Scourge, rogue, and rapacious have negative connotations.

A sanatorium is a medical facility for long-term illness, convalescence, or the treatment of chronic diseases. Sanctuary refers to a place of refuge, not a clinic.

Sarcasm is the use of irony to mock or convey contempt. Sabbatical is a period of paid leave, and the other options are unrelated.

To scrutinize means to examine or inspect closely and thoroughly. The other options relate to messy writing or angry facial expressions.

Sedition refers to conduct or speech inciting people to rebel against the authority of a state or monarch. Sedative is a drug that induces sleep.

Scum is a layer of dirt or froth that forms on the surface of a liquid. The other options are unrelated to this definition.

Aberrant describes something that departs from an accepted standard or norm. The other options are unrelated words starting with 'a'.

Self-aggrandizing refers to the action of enhancing one's own power, status, or wealth. The other options describe different personality traits or behaviors.

Abreast means side by side and facing the same way. The other options are verbs unrelated to physical positioning.

Accretion is the process of growth or increase, typically by the gradual accumulation of additional layers or matter. The other options are unrelated.

Abstain means to restrain oneself from doing or enjoying something. Abscond means to leave hurriedly, and the other options do not fit.

An acolyte is a person who assists a priest in a liturgical service. The other options are unrelated.